Custom Food Freeze Drying Solutions
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Industry Trends
Consumers are increasingly seeking healthy snacks, functional foods, and clean-label products. With its ability to preserve nutrients, extend shelf life, and maintain taste, freeze-drying is becoming a key trend in the food industry. SIENO provides full-chain freeze-drying solutions, from R&D to large-scale production. |
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Technical Highlights
Nutrient retention: preserves vitamins, polyphenols, and dietary fiber; |
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Customer Value
Create natural, additive-free, clean-label foods; |
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Multifunctional Vegetable Cutter For Instant Meals
Large-Scale Freeze Drying Machine for Food
Industrial Freeze Dryer 500kg | High Efficiency Lyophilization System
1200kg Large-Scale Industrial Freeze Dryer – High Efficiency Vacuum Lyophilization System
30m² Vacuum Lyophilizer – Factory Freeze Drying Equipment
High-Capacity 400KG Freeze Dryer for Factory Production Line
Bag-Feeding Packaging Machine for Instant Meals
Automatic Batching Machine for Instant Meals
Vacuum Freeze Dryer for Instant Meals
Vacuum Freeze-Drying Machine for Meat and Seafood
Quick Tunnel Freezer for Meat and Seafood
Automatic Meat and Seafood Slicing Machine
Sieno is China Freeze Dry Food Machine Manufacturers and Freeze Dried Candy Machine Suppliers. The company delivers intelligent freeze-drying technology that bridges science and manufacturing. We design and build equipment in-house, integrate global components, and partner with universities to advance the craft. From raw-material prep to final packaging, we empower brands to launch healthier, longer-lasting products efficiently and sustainably.
Sieno Freeze-drying Technology Research Institute (Jiangsu) Co., Ltd builds freeze dry food machines at our factory in Changzhou, Jiangsu, from pilot chambers to 1200 kg industrial lyophilizers, including wholesale freeze dry food machine orders and custom freeze dry food machine projects. As a Freeze Dry Food Machine manufacturer and custom freeze dried food equipment supplier we supply the whole food line, covering pretreatment, quick freezing, vacuum drying and finished-product packaging, configured around the product, the batch weight and the shelf life the market requires.
Our food programme is organised as three production lines: Fruits & Vegetables, Meat & Seafood and Instant Meals. Each line carries different pretreatment demands, drying cycles and packaging formats, and each is engineered by the same in-house team working across mechanical design, refrigeration and automation control. The same chamber platform can also be configured as a freeze dried candy machine for confectionery producers.
As a freeze dried food equipment factory, we complete cutting, welding, assembly, debugging and factory testing under one roof, with a QC function supervising each production stage rather than only final inspection. Before dispatch, every machine is measured for low-temperature pull-down, vacuum integrity and freeze-dried performance against the agreed project standard.
The range of freeze dried food equipment below is built from the same engineering platform and scaled by shelf area, refrigeration capacity and automation level. Sizing is normally driven by wet weight per cycle, piece geometry and the number of product families sharing one chamber.
| Equipment | Role in the line | Configuration notes | Typical fit |
|---|---|---|---|
| Large-scale freeze drying machine for food | Production backbone | Multi-shelf, cart-loaded chamber with recipe control | Fruit and vegetable snacks, mixed meal components |
| Industrial freeze dryer 500 kg | Mid-volume shift production | Batch rated by wet weight, high-efficiency lyophilization | Cooked meats, seafood, ready-meal components |
| 1200 kg large-scale industrial freeze dryer | High-tonnage output | Enlarged condenser and refrigeration package | Export-oriented snack and ingredient programmes |
| 30 m² vacuum lyophilizer | Factory-scale general purpose | Tray area matched to daily wet-weight target | Plants running several product families |
| High-capacity 400 kg freeze dryer | Line-side production unit | Compact footprint relative to batch size | Seafood, instant meal kits, contract drying |
| Vacuum freeze dryer for instant meals | Multi-component meal drying | Cycles matched to rice, noodles, soups and garnishes | Instant bowls, cup meals, ration packs |
| Vacuum freeze-drying machine for meat and seafood | High-value protein drying | Low-breakage handling, GMP-level options | Cooked meats, shrimp, scallops, functional ingredients |
| Quick tunnel freezer | Pre-freezing ahead of sublimation | Continuous freezing to control ice crystal size | Meat, seafood, vegetables, prepared components |
| Multifunctional vegetable cutter | Uniform piece geometry | Slicing and dicing for even sublimation paths | Vegetables, garnish components, meal kits |
| Automatic batching and bag-feeding packaging | Finished-product handling | Multi-component dosing, nitrogen-flush options | Instant meal assembly and pouch filling |
Berries hold their shape and crunch because the cellular structure survives sublimation, while banana and apple slices need an anti-browning pretreatment before freezing. Most vegetables require blanching to inactivate enzymes that would otherwise cause discolouration and off-flavours during storage.
Freeze-drying is not a sterilisation step, so meat, poultry and seafood are fully cooked before loading; the process then preserves the cooked product in a dormant microbiological state. Visible fat is trimmed, because fat hinders water sublimation and oxidises during long storage.
Rice, noodles, soups and garnish components dry at different rates, so the drying programme and the batching sequence are matched to the recipe rather than to a single ingredient. Low-fat formulations rehydrate faster and store better, which is where we start when a recipe is still in development.
Sugar-based pieces soften and expand under vacuum, so tray spacing, shelf temperature ramps and piece size are set per recipe. We configure the chamber as a freeze drying candy machine and freeze dry machine for candy for producers who need repeatable texture and crunch, and quote wholesale freeze dried candy machine and custom freeze drying machine for candy projects against your daily wet-weight target.
We configure the control system around the required line interface, so the freeze dryer runs a stored recipe and reports its state to the equipment either side of it, on every custom freeze dry food machine. Temperature and vacuum curves are logged for each batch, giving production a record that matches the cycle actually run.
Chamber, shelf and tray surfaces are specified for food-contact duty and routine washdown between campaigns. Trays and removable parts are washed with food-grade cleaning agents and rinsed, the chamber is wiped free of product residue, and the condenser is defrosted so frost build-up does not choke vapour flow.
Planning, installation and commissioning are handled by our own engineers, from first layout discussion to handing over a validated cycle. During layout planning we fix power capacity, cooling water, compressed air and drainage against the refrigeration and vacuum load, and check floor loading, ceiling height and the access route for the chamber.
Where several product families share one building, we lay out pretreatment, freezing, drying and packaging as a single flow so loaded carts and trays move in one direction and finished product does not cross raw-material routes.
A workable proposal needs these inputs from your side:
With those details we return a chamber size, refrigeration and condenser specification, loading arrangement, suggested cycle and a factory layout, together with the equipment list for the full line.
Shelf areas run from small pilot chambers through 1 m², 10 m², 30 m² and 40 m² production units up to large industrial systems; our engineers have designed and delivered freeze-drying systems with 200 m² of shelf area. Capacity is quoted as wet weight per cycle, which is why we size from your daily wet-weight demand rather than from a model number.
Final moisture is typically brought down to 1% to 4%, and most cycles run with chamber pressure below about 100 mTorr (0.133 mbar) while the condenser sits between -40 °C and -85 °C. Both values are recorded for each batch so the cycle can be repeated.
Yes, as separate validated recipes on the same chamber. Fruit needs pretreatments such as anti-browning dips or blanching, meat must be fully cooked with visible fat trimmed, and complete meals need low-fat formulations frozen in thin layers or small chunks. Each product family is stored as its own programme.
Yes, on request. As freeze dried candy machine manufacturers and freeze drying candy machine suppliers, we size the chamber from your candy type, piece size and daily wet-weight target, and a freeze drying machine for candy is configured with its own stored recipe. Our freeze dried candy machine factory in Changzhou can quote custom freeze dried candy machine projects as well as wholesale freeze drying machine for candy orders, and we run process test samples before the cycle is finalised.
Every unit goes through low-temperature pull-down, vacuum integrity checks and a freeze-dried performance run before dispatch, measured against the project standard agreed at order. Test results are recorded and travel with the machine.
As freeze dry food machine suppliers, we supply automatic batching, bag-feeding and nitrogen-flush packaging as part of the same line, and the control system can be configured with interface signals to adjacent equipment plus remote monitoring for recipe and alarm data.
Installation and commissioning are completed by our in-house team from initial planning through to debugging. As freeze dried food equipment suppliers, we provide freeze-drying process technical training, maintenance support, spare parts and upgrade programmes for control and refrigeration systems for the life of the equipment.
Sieno's whole series of freeze-drying equipment, covering the experimental research to the industrial scale, is energy efficient, stable, and reliable, with flexible customization as the core, to production, optimization of process, and multiple fields with green manufacturing solutions.
Sieno, based on the research of intelligent freeze-dried food, provides with custom process for the whole chain of freeze-dried technology support (including pretreatment, freeze-dried, and packaging), helping enterprises realize multiple improvements in efficiency, quality, and environmental protection.
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yuanliang@jsblk.com
No.29 Tongiiang North Road, Xinbei District, Changzhou City, Jiangsu, China
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