--- title: Industrial Freeze Dryer & Vacuum Fryer Factory | Shanghai url: https://freezedryerfactory.com/ description: Factory-direct industrial freeze dryers (20–200 m²), low-temperature vacuum fryers (5–300 kg) and washing machines from Shanghai. 10 models, video-tested. --- Industrial food drying & frying equipment · Shanghai # Industrial freeze dryers& vacuum *fryers*,factory-direct. We design and build SUS304 freeze dryers, low-temperature vacuum fryers and washing machines for fruit, vegetable, coffee and snack producers — sized to your product, tested on video before it ships. [Get a sized quotation](https://freezedryerfactory.com/contact/) [Browse 10 models](https://freezedryerfactory.com/products/) QS-FD series · freeze-drying hall **−55 °C**cold trap**−40 °C**freezing**0 °C**ice melts**+50 °C**secondary drying**+100 °C**vacuum frying**+120 °C**max. oil **3**product lines: freeze drying, vacuum frying, washing **20–200 m²**freeze-dryer shelf area, QS-FD-20 to QS-FD-200 **5–300 kg**vacuum-fryer capacity per batch **1 day**reply time on every inquiry Product lines ## From −55 °C to +120 °C. Three ways to take water out of food. [View the full catalogue](https://freezedryerfactory.com/products/) [−55 °C cold trap3 models ### Freeze Dryers SUS304 vacuum freeze dryers (lyophilizers) from 20 m² to 200 m² shelf area for fruit, vegetables, coffee, dairy, candy and ready meals. Explore freeze dryers](https://freezedryerfactory.com/products/freeze-dryers/)[80–120 °C oil6 models ### Vacuum Fryers Batch vacuum fryers from 5 kg pilot units to 300 kg production machines, with centrifugal de-oiling under vacuum for low-oil fruit and vegetable chips. Explore vacuum fryers](https://freezedryerfactory.com/products/vacuum-fryers/)[3 t/h throughput1 model ### Washing Machines Automatic 3 t/h stainless-steel oil washing machines for fruit, vegetables, olives, chicken and frozen food, in 380 V, 220 V and 110 V versions. Explore washing machines](https://freezedryerfactory.com/products/washing-machines/) Freeze-dried strawberriesInstant coffeeFreeze-dried candyJackfruit chipsBanana chipsMilk powderShiitake crispsOlivesPet treatsOkra chipsEgg powderReady mealsFreeze-dried strawberriesInstant coffeeFreeze-dried candyJackfruit chipsBanana chipsMilk powderShiitake crispsOlivesPet treatsOkra chipsEgg powderReady meals Capacity estimator ## Which freeze dryer fits your daily output? A planning estimate based on shelf area, loading density and cycle time. Confirm with a sample test. Recommended 1 × QS-FD-100 Required shelf area : 100 m² Batches per day : 1 Estimated dry output : ≈ 108 kg/day Loading density used : 10 kg/m² [Get an engineered proposal](https://freezedryerfactory.com/contact/?topic=freeze-dryer-sizing) Estimate only. Final sizing depends on slice thickness, sugar content and a sample test run. Featured machines ## Most-requested models [All products](https://freezedryerfactory.com/products/) Freeze DryersQS-FD-20 · 3 configs ### [QS-FD-20 Compact Industrial Freeze Dryer](https://freezedryerfactory.com/products/qs-fd-20-freeze-dryer/) Fruit, vegetables Freeze DryersQS-FD-100 · 3 configs ### [QS-FD-100 Industrial Food Freeze Dryer](https://freezedryerfactory.com/products/qs-fd-100-freeze-dryer/) Strawberries, mango Freeze DryersQS-FD-200 · 3 configs ### [QS-FD-200 Large-Scale Lyophilization Plant](https://freezedryerfactory.com/products/qs-fd-200-freeze-dryer/) Instant coffee, milk powder Vacuum Fryers300 kg ### [300 kg Vacuum Frying Line for Fruit Crisps](https://freezedryerfactory.com/products/300-kg-vacuum-frying-line/) Jackfruit chips, banana chips Vacuum Fryers100 kg ### [100 kg Low-Temperature Batch Vacuum Fryer](https://freezedryerfactory.com/products/100-kg-batch-vacuum-fryer/) Vegetable chips, fruit chips Washing Machines3 t/h ### [Automatic Oil Washing Machine for Fruit, Vegetables & Olives, 3 t/h](https://freezedryerfactory.com/products/automatic-oil-washing-machine-3-t-h/) Olives, vegetables How we work ## From your sample to a running line. [About the factory](https://freezedryerfactory.com/about/) ### Sample test Send your product. We run it, record the cycle and share photos and data. ### Engineering Sizing, layout drawing, utility list and a fixed-scope quotation. ### Build & video FAT Manufactured in SUS304, then run and filmed for your approval before shipping. ### Install & support Installation guidance, operator training and remote video support for life. Projects ## Lines we engineer [All projects](https://freezedryerfactory.com/projects/) Freeze DryersFruit snacks ### [Freeze-Dried Strawberry Slice Line, 2 t/day](https://freezedryerfactory.com/projects/freeze-dried-strawberry-line/) Two QS-FD-100 chambers on staggered cycles turn about 2 tonnes of prepared strawberries per day into crisp, colour-true slices for cereal, snack and baking brands. Freeze DryersBeverages ### [Instant Coffee Lyophilization Plant](https://freezedryerfactory.com/projects/instant-coffee-lyophilization-plant/) A QS-FD-200 Premium chamber dries frozen coffee-extract granules at low temperature to keep the aroma that makes freeze-dried coffee worth its price. Freeze DryersConfectionery ### [Freeze-Dried Candy Production Room](https://freezedryerfactory.com/projects/freeze-dried-candy-production-room/) A single QS-FD-20 running short cycles lets a confectionery brand puff and crisp hard candies, marshmallows and taffy several times a day in a small room. The factory ## Built by people who weld the chambers themselves. Freeze Dryer Factory is the equipment brand of a Shanghai manufacturer focused on one thing: machines that remove water from food reliably, batch after batch. - SUS304 stainless steel on every food-contact surface - Every machine run and filmed before it ships - Test reports and spare-parts lists with every order [Our story](https://freezedryerfactory.com/about/) FAQ ## Quick answers for buyers Can't find yours? [Ask an engineer](https://freezedryerfactory.com/contact/). What machines does Freeze Dryer Factory make? We manufacture industrial vacuum freeze dryers (QS-FD-20, QS-FD-100 and QS-FD-200 in Standard, Advanced and Premium configurations), low-temperature vacuum fryers from 5 kg to 300 kg per batch, and 3 t/h fruit and vegetable oil washing machines — 10 models in total. Where is the factory and do you export? We are based in Shanghai, China and export worldwide. The operating company is Shanghai Mars Industrial Co., Ltd.. Can you test my product before I buy? Yes. Send a sample and we run it on a test machine, then share cycle data, photos and a recommendation before quotation. How do I choose the right freeze dryer size? Divide your daily prepared wet input by the loading density (about 10 kg/m² for sliced fruit) and by batches per day. Use the estimator on this page for a quick answer. What warranty and support do you provide? Freeze dryers carry a lifetime warranty and vacuum fryers a long-term warranty, with terms set out in the contract. Every machine ships with an inspection video, manual, spare-parts list and remote video support. How fast will I get a quotation? We reply to every inquiry within one business day. Detailed engineered proposals with layout drawings usually follow within a few days. Knowledge ## Guides from our engineers [All articles](https://freezedryerfactory.com/blog/) Freeze DryingOct 28, 2026 ### [How Industrial Freeze Drying Works: The Lyophilization Cycle Explained](https://freezedryerfactory.com/blog/how-industrial-freeze-drying-works/) Freezing, primary drying and secondary drying explained for food plants: temperatures, vacuum levels, cycle times and what decides final product quality. Buying GuideOct 21, 2026 ### [How to Size an Industrial Freeze Dryer for Your Daily Output](https://freezedryerfactory.com/blog/how-to-size-an-industrial-freeze-dryer/) A practical method to choose freeze dryer shelf area from daily raw material, loading density and cycle time — with worked examples for fruit, vegetables and coffee. Vacuum FryingOct 14, 2026 ### [Vacuum Frying vs Deep Frying: Oil, Colour, Nutrients and Cost](https://freezedryerfactory.com/blog/vacuum-frying-vs-deep-frying/) How low-temperature vacuum frying compares with atmospheric deep frying for fruit and vegetable chips: frying temperature, oil uptake, colour, acrylamide and equipment cost. Next step ## Have a product in mind? Let's size the machine. Send your raw material, daily output and site details. An engineer replies within one business day. [Request a quotation](https://freezedryerfactory.com/contact/) [WhatsApp](https://wa.me/8617621541688)