How Candy Is Made
18 min readShort Answer
Candy cannot be classified only by shape or flavor. A single SKUOne distinct sellable product unit. may pass through several fundamentally different process stages: it may first be formed by depositing or extrusion, then have its internal structure transformed by freeze-drying, and finally receive a chocolate or confectionery coating. Forming, freeze-drying and coating therefore describe different levels of production rather than competing methods.
For sourcing purposes, divide the process into three blocks:
- primary forming — depositing, moulding, extrusion, co-extrusion and sheeting;
- structural transformation — such as freeze-drying an already formed product;
- finishing — oiling, sugar or acid sanding, enrobing, panning, glazing and packing.
This distinction shows what equipment a factory actually needs, which operations are performed at one site, which may be subcontracted, and where the principal quality risks occur.
Who This Guide Is For
This guide is designed for companies sourcing or developing:
- molded gummies, worms, rings and novelty shapes;
- sour belts, strips, laces, ropes and filled cables;
- layered, foam or center-filled gummies;
- freeze-dried gummies, marshmallow, fruit, ice cream and other confectionery;
- chocolate- or compound-coated nuts, marshmallow, dried fruit, freeze-dried fruit and gummies;
- stock factory SKUs, contract-manufactured products, bulk products or branded ranges.
Terminology Buyers Should Get Right
Chocolate-Coated Confectionery Is the Correct Umbrella Category
The category can include:
- chocolate-coated nuts;
- dried or freeze-dried fruit in chocolate or confectionery coating;
- chocolate-coated marshmallow;
- chocolate-coated gummies;
- coated biscuits, wafers, cereal centers and other inclusions.
"Pouring chocolate glaze over candy" is too narrow a description. Industrial processes include:
- enrobing — centers move on a conveyor through a curtain of coating, often with separate bottoming;
- panning or drageeing — small centers tumble while coating is built in successive layers;
- dipping — the center is fully or partly immersed;
- moulded-shell production — a shell is formed in a mold before filling and closing; this is not the same as coating a loose center.
Buyers must also distinguish real chocolate from compound coating, cocoa-based coating or another fat-based confectionery coating. Composition, melting behavior, tempering requirements and legally acceptable product names may differ. The Codex Alimentarius Standard for Chocolate and Chocolate Products provides the international reference definitions, while destination-market regulations may impose stricter labelling requirements.
Do Not Use "Marmalade" for Gummy Candy in English
In English, marmalade normally means a citrus preserve. Appropriate terms include gummies, gummy candy, jellies, fruit gums, sour belts, gummy strips and foam gummies.
Why Production Method Matters to Buyers
A factory catalog proves that a similar product was supplied at some point. It does not prove that the supplier controls every required process. A molded-gummy plant may not have an extruder. A sour-belt supplier may not have one-shot depositing. A chocolate plant may handle strong nuts but damage fragile freeze-dried berries. A freeze-drying company may buy the original gummy from another producer and perform only drying and packing.
The buyer therefore needs to establish:
- how the original center is formed;
- where each process stage is performed;
- which equipment is used;
- whether samples and mass production use the same route;
- who controls intermediate storage, inter-site transfers and final batch release.
The Three Levels of Candy Production
1. Primary Forming
The mass receives its shape, dimensions, layers or filling. Methods include depositing, starch moulding, starchless moulding, extrusion, co-extrusion and sheet forming.
2. Structural Transformation
An existing center is changed internally. Freeze-drying removes water from a frozen product mainly through sublimation, producing a porous, light and often crisp structure.
3. Finishing
The product receives its final surface and commercial presentation: oil, wax, sugar-acid sanding, chocolate coating, polishing, individual wrapping or high-barrier packing.
One SKU may use all three levels. A gummy can be deposited, freeze-dried, and then chocolate coated or used as an inclusion.
Common Preparation Stages
Before forming, a factory generally needs to:
- receive and inspect ingredients;
- prepare syrups, gelling agents, acids, flavors and colors;
- cook or blend the mass to defined parameters;
- control temperature, viscosity and solids;
- prepare molds, dies, conveyors or coating centers;
- define the addition point for heat-sensitive ingredients;
- set dosing, line speed and cooling conditions.
This is where laboratory and production samples can diverge. A hand-made sample may not reproduce the pressure, speed, temperature, cooling or conditioning time of a commercial line.
Technical / Product Details
1. Starch Mogul Depositing
This is a classic industrial method for molded gummies and jellies.
Typical sequence:
- trays are filled with conditioned starch;
- the starch surface is leveled;
- stamps create cavities;
- a depositor doses hot gummy mass into each cavity;
- trays are held for setting, curing or drying;
- pieces are removed and destarched;
- oiling, waxing or sanding is applied;
- product is sorted and packed.
Common SKUs include bears, worms, rings, bottles, fruits, burgers, 3D novelty shapes, foam-and-jelly products and some filled gummies.
Advantages:
- wide range of shapes and surface detail;
- compatibility with multiple gelling systems;
- multi-component capability;
- efficient industrial output.
Key risks:
- residual starch;
- tails or malformed pieces;
- piece-weight variation;
- incorrect starch conditioning;
- under- or over-curing;
- damage during destarching.
2. Starchless Depositing
The mass is dosed into permanent molds, cooled and demolded. The system can be relatively closed and highly accurate.
Common uses:
- standard molded gummies;
- functional and nutraceutical gummies;
- products requiring close weight repeatability;
- formulas designed for rapid cooling cycles.
Advantages:
- no contact with molding starch;
- precise dosing;
- shorter cycle for compatible formulas;
- more enclosed production environment.
Limitations:
- not every traditional formula works without reformulation;
- reusable tooling can be expensive;
- a new shape may affect MOQMinimum quantity accepted per order. and lead timeTime from order approval to readiness.;
- starchless does not automatically mean higher quality.
3. One-Shot and Multi-Component Depositing
This is an advanced depositing arrangement in which several streams are dosed together or in a controlled sequence.
Possible constructions include:
- two colors or flavors;
- jelly plus foam;
- shell plus liquid or gel center;
- multiple layers;
- stripes or contrasting zones.
Critical controls:
- center alignment;
- shell thickness;
- component ratio;
- layer-boundary stability;
- leakage and moisture migration;
- weight and color repeatability.
4. Extrusion
A viscous confectionery mass is pushed through a metal die. The die opening defines the product's continuous cross-section.
After extrusion, the product may pass through: calibration, cooling or conditioning, twisting, oiling or sanding, cutting or winding, and packing.
Typical products:
- sour belts and strips;
- laces and spaghetti;
- ropes, cables and tubes;
- wheels and twists;
- fruit snack bars;
- long multi-color profiles.
Quality parameters include:
- consistent width and thickness;
- clean edges;
- absence of breaks;
- flexibility and stickiness;
- conveyor speed;
- sanding uniformity;
- cut length.
5. Co-Extrusion
Co-extrusion feeds two or more masses through a die system at the same time.
Possible structures:
- outer layer plus center;
- hollow tube;
- multiple colors;
- fruit gum plus sugar paste;
- striped or twisted profile.
Main risks:
- off-center filling;
- rupture of the outer layer;
- unstable wall thickness;
- color mixing;
- leakage;
- deformation during cutting.
How Sour Belts Are Made
A common production sequence is:
- prepare a viscous confectionery mass;
- add flavors, colors and acids;
- feed the mass to an extruder;
- pass it through a flat or multi-channel die;
- cool or condition the continuous belts;
- apply sugar-acid sanding;
- cut to the required length;
- wind the belt where a roll format is required;
- dose and pack the product.
Some strips use sheet or slab forming, so the factory should identify the actual route for the specific SKU.
6. Sheet and Slab Forming
A continuous layer is cast or formed, calibrated, cooled or dried, and then cut.
This route can be used for:
- fruit leather;
- fruit snacks;
- bars;
- selected strips and slab gels.
It should not be assumed that all sour belts are sheet-formed. Extrusion and slab forming are distinct production systems.
7. Aeration for Foam Candy
Aeration creates internal structure but does not itself create the final shape. The aerated mass must still be deposited, layered or extruded.
Foam structures appear in:
- two-layer gummies;
- foam-and-jelly shapes;
- soft burger or teeth shapes;
- marshmallow-like confectionery;
- layered novelty products.
Buyers should separately define density, cell structure, layer adhesion and storage stability.
8. Freeze-Dried Candy
Freeze-Drying Is Not Primary Forming
Freeze-drying is usually applied after the product has already been created. A gummy is first deposited or extruded; marshmallow is aerated and formed; fruit is sorted and cut; ice cream is produced and portioned. The center is then frozen and dried under vacuum.
Simplified sequence:
- prepare and size the centers;
- freeze the product;
- conduct primary drying, where ice passes to vapor mainly by sublimation;
- conduct secondary drying to remove part of the remaining bound moisture;
- cool and equilibrate;
- protect immediately from ambient moisture;
- separate intact pieces from fines;
- pack in an appropriate moisture-barrier system.
Common categories:
- freeze-dried gummies and sour candy;
- marshmallow;
- fruit pieces and whole berries;
- ice cream and dairy-style centers;
- layered or filled confectionery where compatible;
- powders and inclusions.
What Freeze-Drying Changes
- the product becomes lighter and more porous;
- a chewy structure may become crisp;
- flavor can release more quickly and seem more concentrated;
- the piece may expand and lose its original geometry;
- friability and fines increase;
- the product can reabsorb moisture quickly after opening.
Principal Risks
- hard or under-dried core;
- uneven expansion;
- collapse or shrinkage;
- excessive fines;
- different texture at the edge and center;
- loss of crispness from weak packaging or poor seals;
- breakage during downstream packing and transport.
The product should be evaluated both as a stand-alone snack and as an inclusion. Some crisp products perform better in cereal, granola, chocolate, desserts or gift sets than in a single-product pouch.
9. Chocolate-Coated Confectionery
Centers That May Be Coated
The category can include:
- nuts;
- dried and candied fruit;
- freeze-dried fruit;
- marshmallow;
- gummies and jellies;
- biscuits and wafers;
- cereal, malt and crisp centers;
- freeze-dried candy centers.
Capability with one center does not prove capability with another. Strength, size, geometry, moisture, surface fat, dust and temperature sensitivity all affect processing.
Enrobing
Centers travel on a mesh conveyor. Coating is applied from a curtain above, through a bottoming system below, or both. Air and vibration remove excess coating, and the product then passes through a cooling tunnel.
Suitable for: marshmallow, larger dried fruit, gummies, biscuits and wafers, bars, regular or irregular centers.
Formats include full coating, half coating, top-only and bottom coating.
Common defects:
- exposed areas;
- coating that is too thin or too thick;
- feet and tails;
- bare bottoms;
- cracks;
- pinholes;
- pieces sticking before cooling;
- bloom or dull surfaces.
Panning or Drageeing
Small centers tumble in a rotating pan while chocolate or compound coating is added in multiple layers. Cooling and setting occur between additions, and polishing may follow.
Suitable for: nuts, raisins and small dried fruit, cereal centers, dragees, selected small gummies and freeze-dried pieces that can survive mechanical stress.
Common defects:
- chipped or broken centers;
- clumping;
- uneven shell thickness;
- rough surface;
- irregular finished size;
- excessive coating ratio.
Dipping
A center is fully or partly immersed. Dipping is useful for small batches, difficult shapes or decorative work, but throughput and repeatability depend on automation.
Moulded-Shell Production
Chocolate is first dosed into a mold to create a shell, followed by filling and a closing layer. This is appropriate for filled pralines or soft centers, but it is not the same as coating a loose nut, berry or gummy.
Real Chocolate vs Compound Coating
The buyer should request the exact technical identity and complete ingredient list of the coating.
Real chocolate generally needs controlled tempering to form a stable cocoa-butter crystal structure. Compound coating often uses alternative vegetable fats and may have different melting and cooling requirements. The choice affects:
- flavor and mouthfeel;
- gloss and snap;
- temperature tolerance;
- line speed;
- ingredients and allergens;
- the name legally permitted on the destination-market label.
A brown coating should not automatically be described as chocolate.
Center and Coating Compatibility
Before production, assess:
- center moisture and water activity;
- center temperature before coating;
- strength during conveying or tumbling;
- coating adhesion;
- moisture or fat migration;
- cracking from different expansion behavior;
- surface sugar, acid or dust;
- need for a pre-coat or sealing layer;
- behavior after cooling and through shelf lifePeriod product remains within specification..
Sour gummies and freeze-dried centers are particularly demanding. Acid-sugar surfaces can reduce adhesion, while porous freeze-dried pieces can break or absorb moisture before a protective layer is established.
Finishing Is a Separate Production Stage
The same molded gummy may be sold as:
- a glossy oiled gummy;
- a waxed gummy;
- a sugar-sanded gummy;
- an acid-sanded gummy;
- a freeze-dried gummy;
- a chocolate-enrobed gummy.
The original forming method may remain unchanged. A technical brief should therefore specify the center, any structural transformation, and the final surface separately.
SKU-to-Process Matrix
| Product type | Primary forming or preparation | Additional process | Finishing | Critical factory capability |
|---|---|---|---|---|
| Gummy bears | Starch or starchless depositing | Conditioning | Oiling or sanding | Tooling, dosing accuracy and moisture control |
| Foam-and-jelly gummies | Aeration + multi-component depositing | Layer setting | Oiling or sanding | Layer adhesion and component ratio |
| Filled gummies | One-shot depositing | Cooling/curing | Oiling | Center alignment and shell integrity |
| Sour belts | Flat-die extrusion | Cooling/conditioning | Acid sanding and cutting | Profile and sanding consistency |
| Filled ropes | Co-extrusion | Cooling | Cutting or winding | Stable center and outer wall |
| Fruit leather | Sheet/slab forming | Drying | Cutting | Thickness and uniform drying |
| Freeze-dried gummy | Depositing or extrusion | Freeze-drying | Barrier packing | Uniform drying and moisture protection |
| Freeze-dried marshmallow | Aeration/forming | Freeze-drying | Barrier packing | Density, fines and breakage protection |
| Chocolate-coated gummy | Depositing/extrusion | Conditioning | Enrobing or panning | Adhesion, cooling and coating ratio |
| Chocolate-coated nut | Roasting/sorting | Optional pre-coating | Panning or enrobing | Center sizing and layer uniformity |
| Coated dried fruit | Drying/sorting | Conditioning | Enrobing or panning | Moisture, tackiness and migration control |
| Coated freeze-dried fruit | Freeze-drying | Gentle handling | Enrobing or controlled panning | Protection of a fragile porous center |
The actual route can vary by factory and formula. The matrix identifies common industrial routes, not mandatory rules.
How Technology Affects Factory Selection
Verify the Entire Process Chain
Ask which operations are performed in-house:
- cooking and depositing;
- extrusion;
- aeration;
- freeze-drying;
- chocolate preparation;
- tempering;
- enrobing or panning;
- cooling;
- retail packing;
- laboratory testing and batch release.
When a stage is subcontracted, establish:
- who approves and controls the subcontractor;
- how lots remain identifiable;
- how product moves between sites;
- how it is protected from moisture, heat and damage;
- who issues the final specification and COACertificate reporting a tested batch.;
- where final inspection takes place.
Sample Route vs Production Route
Obtain written confirmation of:
- whether the sample was hand-made or line-produced;
- the line intended for commercial production;
- parameters that may change at full speed;
- availability of a pre-production or production sample;
- the retained sample that will serve as the reference.
How Technology Affects MOQ, Tooling and Lead Time
MOQ may be determined by:
- cooking-vessel capacity;
- minimum efficient depositor or extruder run;
- number of trays or molds;
- freeze-dryer batch size;
- minimum chocolate volume circulating in a system;
- tempering and cleaning requirements;
- flavor and color changeovers;
- printed-packaging requirements;
- minimum batch for one center or one coating.
Tooling can include:
- starch stamps;
- reusable molds;
- extrusion dies;
- co-extrusion heads;
- cutters;
- decorating nozzles;
- printing plates and packing tooling.
Do not copy MOQ or lead-time assumptions from one SKU to another.
Common Defects by Production Method
Depositing
- incomplete cavities;
- tails and bubbles;
- weight variation;
- deformation;
- starch residue;
- stickiness or over-drying.
One-Shot and Layered Products
- off-center filling;
- leakage;
- layer separation;
- color or moisture migration;
- inconsistent shell thickness.
Extrusion
- inconsistent width and thickness;
- torn or rough edges;
- profile deformation;
- inconsistent cut length;
- uneven sour sanding.
Freeze-Drying
- hard core;
- non-uniform porosity;
- shrinkage;
- excessive expansion;
- high fines percentage;
- softening after packing.
Enrobing
- exposed areas;
- pinholes;
- bare bottoms;
- feet and tails;
- cracking;
- uneven thickness;
- bloom or dull finish.
Panning
- clumping;
- chipped centers;
- rough finish;
- inconsistent finished size;
- excessive or insufficient coating ratio;
- unstable polish.
Quality Checklist
Before Production Approval
- ☐ The exact process route is confirmed.
- ☐ Equipment and site for every operation are identified.
- ☐ The relationship between sample and production line is understood.
- ☐ Approved specification is in place.
- ☐ Defect criteria and tolerances are defined.
- ☐ Coating identity and composition are confirmed.
- ☐ Temperature and moisture conditions are specified.
- ☐ Package barrier and breakage protection are confirmed.
- ☐ Batch-release procedure is agreed.
- ☐ Destination-market documents are identified.
- ☐ Responsibility map is clear: Client → Export Company → Factory.
Sample and Specification Requirements
Sample approval should be connected to a written specification. "Same as approved sample" is useful but not enough unless the version is identifiable.
Define:
- product family and process route;
- shape, dimensions and unit weight;
- flavor, acidity, sweetness and aroma;
- texture before and after transformation;
- colors and layer distribution;
- filling ratio;
- coating type and technical name;
- coating percentage or acceptable range where relevant;
- moisture, water activity or another agreed release control;
- limits for broken pieces, fines and exposed centers;
- pack weight and tolerance;
- packaging material, barrier and seal criteria;
- storage conditions;
- shelf-life support for the same SKU and pack;
- retained sample and batch identification.
For freeze-dried and chocolate-coated items, also evaluate samples after transport and after time in the sealed pack. Product tested immediately off the line may not reveal moisture migration, packaging odor, bloom or loss of crispness.
Common Mistakes
- Selecting a "gummy factory" without checking the required forming technology.
- Treating freeze-dried candy as an original product type without identifying the base center.
- Calling every brown coating chocolate.
- Treating enrobing and panning as interchangeable.
- Assuming a nut-coating plant can process a fragile freeze-dried berry.
- Approving appearance without defining structure, fines and open-pack stability.
- Using a laboratory sample as the only reference for a commercial line.
- Failing to identify outsourced stages.
- Combining forming, structural transformation and finishing in one vague description.
- Starting design and commercial planning before a technical feasibility review.
Questions to Ask a Supplier
Base Technology
- What forming method is used for this SKU?
- Is the product deposited, extruded, co-extruded or sheet-formed?
- Is depositing starch-based or starchless?
- Is aeration performed in-house?
- Is the sample produced on the same line as mass production?
Freeze-Drying
- What is the original product before freeze-drying?
- Which process stages are performed in-house?
- How are load uniformity and drying end-point controlled?
- How are hard centers, broken pieces and fines measured?
- How quickly is the product packed after the chamber opens?
- Which barrier and seal checks are used?
Chocolate Coating
- Is the coating real chocolate or compound coating?
- Is the process enrobing, panning, dipping or moulded-shell production?
- Is tempering required and how is it controlled?
- What is the target coating percentage?
- How are exposed areas, cracks and bloom controlled?
- Can the line handle the center without breakage or sticking?
- Is a sealing or pre-coating layer required?
Sites and Responsibility
- Which operations are outsourced?
- How are lots traced between sites?
- Who performs final inspection and batch release?
- Which entity is identified as manufacturer in applicable documents?
- Where is the retained sample stored?
Documents or Information to Request
- product specification;
- process-flow description without disclosure of a confidential recipe;
- ingredient list and allergen statement;
- precise identity of chocolate or compound coating;
- nutritional information;
- packaging specification and food-contact information;
- approved sample record;
- batch and retained-sample procedure;
- available COA and laboratory reports;
- quality criteria for weight, dimensions, moisture, fines and coating;
- shelf-life statement and supporting evidence;
- storage and transport conditions;
- food-safety certificates within their actual scope;
- destination-market document list confirmed by the importer or its specialist.
Requires source verification: exact requirements vary by destination market and product category. For US imports, consult FDA guidance on importing food products. For EU markets, refer to EU food safety and food product regulations. Confirm all requirements before artwork approval and before production begins.
From Our Sourcing Practice
Understanding which process a factory actually uses — not which processes it claims to offer — is the foundation of every factory shortlist we build in Guangdong. Across more than 80 factory assessments, we have found that "gummy factory" is one of the least informative descriptions a supplier can give. A starch mogul plant in Dongguan that produces excellent molded bears may have never run a flat-die extrusion line in its life. A co-extrusion specialist in Foshan producing filled ropes may have no freeze-drying equipment on site and source all its freeze-dried output from a third party 200 kilometres away.
In 3 out of 5 projects where a buyer arrives with a reference product and a "similar factory" already identified, the factory's actual process route does not match what the reference product requires. The most frequent mismatch is the assumption that a gummy depositing factory can also produce sour belts. Belts require flat-die extrusion, conditioning, sanding and often a specific cutting and winding setup. A depositing plant cannot do this without substantial additional investment. When we identify the mismatch early — through a process-route interview and a live video walk-through — we can redirect to a capable factory before development money is spent. When the mismatch is discovered at the first sample review, the project has typically lost eight to twelve weeks.
For buyers working with chocolate-coated products, the distinction between enrobing and panning is commercially significant. We have seen buyers specify "chocolate-coated freeze-dried strawberry" and receive samples from a panning facility that broke 30–40% of the fragile porous pieces during the tumbling process. The correct process for a fragile porous center is controlled enrobing with a pre-coat layer — a different factory, a different line, a different MOQ. Confirming the exact coating method — and testing the center's survival rate on the proposed line — is a non-negotiable step we include in every chocolate-coating project.
— Amanda XUN, Head of Sourcing, AXTIMES
Recommended Next Step
Prepare a 12-point product brief:
- target SKU name and image;
- original center;
- required shape and structure;
- preferred primary forming method, if known;
- whether freeze-drying is required;
- type of chocolate or other coating;
- flavor, color and texture target;
- unit dimensions and weight;
- retail or bulk packaging;
- destination market and sales channel;
- expected volume;
- required documents and target launch date.
AXTIMES can convert this brief into a process map, identify the required equipment, verify which stages are in-house, coordinate comparable samples and align product, packaging, quality, documents and logistics in one controlled plan.
Sources: The technical framework was checked against industry materials from equipment and process-system specialists: Syntegon for starch and starchless depositing; Coperion/Baker Perkins for one-shot and multi-component depositing; BCH for extrusion and co-extrusion; GEA for freeze-drying principles; SOLLICH for enrobing, tempering and cooling; and PMCA for chocolate panning. Product-specific values must always be confirmed by the factory, the approved specification and destination-market requirements.