Chengdu Wonderful Serendipity Food Machinery Co., Ltd. is one of the leading manufacturers and suppliers of WS209 Steamed Buns And Steamed Rolls Production Line in China. With abundant experience, we warmly welcome you to buy discount WS209 Steamed Buns And Steamed Rolls Production Line made in China here from our factory. Customized orders are welcome.
The WS209 Steamed Buns and Steamed Rolls Production Line is a full-process automated production system developed for mass manufacturing of various Chinese steamed staple foods. The complete assembly line consists of tray arranging machine, paper putting machine, baozi shape folding machine, individual cutting machine,pinching cutter machine, filing machine, WS209 three-roller main machine, dough dividing machine and dough pressing machine. All modules can be connected end-to-end to deliver a one-stop continuous workflow from raw dough processing to finished products neatly arranged on trays.

This line adopts expandable modular design. It supports flexible equipment combination and fast mold switching to produce multiple types of steamed food. The newly upgraded stuffing feeding device performs excellently for vegetable and meat fillings, stable weight control and effective moisture locking inside fillings. The whole line can achieve daily output of 1.5–2.5 tons, well suited for continuous large-volume production. All food contact parts are made of materials that comply with international food hygiene standards. It is a mature automation solution for frozen dim sum factories, central kitchens and breakfast food manufacturers.
Product Detailed Introduction
All units adopt independent modular design. Customers can deploy the full connected production line, or select individual modules to upgrade existing workshop equipment.

Dough Pressing Machine & Dough Dividing Machine
Front-end dough processing section. It continuously rolls dough into uniform sheets and divides dough into standard blanks, laying a stable foundation for consistent layered texture of buns and steamed rolls. Running speed can be synchronized with downstream forming equipment.
WS209 Three-Roller Main Machine & Filing Machine
The core forming unit. The optimized three-roller wrapping structure creates intact layered dough skin. The upgraded stuffing feeder delivers stable supply for vegetable and meat mixtures, precisely locking filling moisture and soup. Finished product weight can be adjusted between 10–150g. It supports plain dough products and various wrapped stuffed food.
Pinching Cutter Machine & Baozi Shape Folding Machine
Diversified shaping stations. The pinching cutter forms sealed stuffed buns. The baozi shape folding machine produces patterned flower rolls, twisted pastries and layered folded dough products. Different molds can be quickly replaced to switch product styles.
Paper Putting Machine & Tray Arranging Machine
Back-end automatic processing. The paper placing machine automatically adds baking paper under each finished product to prevent adhesion. The tray arranger neatly loads finished dim sum onto trays, ready for steaming, freezing or packaging.
Every module supports independent frequency conversion speed adjustment. Operators can tune running parameters according to dough hardness and filling characteristics. Quick-disassembly structure simplifies daily cleaning and prevents cross-contamination between different fillings.
Equipment Technical Parameters
| Equipment Name | Machine Dimension | Voltage | Power | Machine Weight | Product Weight Range | Production Capacity |
|---|---|---|---|---|---|---|
| Tray Arranging Machine | 185*156*164cm | 220V | 1.5kw | 320kg | - | - |
| Paper Putting Machine | 153*75*109cm | 220V | 1.2kw | 180kg | - | 10–100 pcs/min |
| Baozi Shape Folding Machine | 155*65*96cm | 220V | 0.8kw | 140kg | - | 10–60 pcs/min |
| Individual Cutting Machine | 130*58*64cm | 220V | 0.2kw | 75kg | - | - |
| Pinching Cutting Machine | 52*86.5*81cm | 220V | 0.5kw | 135kg | According to the front-end machine speed |
According to the front-end machine speed |
| Filing Machine | 66*75*146cm | 220V | 0.5kw | 85kg | - | 10–100 pcs/min |
| WS209 Three-Roller Main Machine | 450*66*168cm | 380V | 2.5kw | 375kg | 10–150g | 20–80 pcs/min |
| Dough Dividing Machine | 165*61*131cm | 220V | 0.52kw | 210kg | - | 10–100 pcs/min |
| Dough Pressing Machine | 157*109*150cm | 380V | 3.29kw | 650kg | - | - |
Core Advantages
1. High Efficient Production
Achieve fully automatic one-line production from raw dough to tray-loaded finished dim sum. It eliminates multiple manual transferring steps. The line supports continuous long-shift operation, with daily output reaching 1.5–2.5 tons. Fast mold switching shortens downtime during product changeover, greatly improving overall workshop productivity for large food factories.
2. Stable & Consistent Molding Result
Precise dough pressing and dividing ensures uniform dough blanks. The upgraded triple stuffing feeder maintains stable filling weight and effectively locks moisture inside vegetable and meat fillings. Consistent wrapping and shaping produce buns and rolls with uniform size, layered texture and tight sealing, reducing defective goods and standardizing product appearance for retail packaging.
3. Simple Operation & Expandable Layout
Intuitive control system can store multiple production formulas for one-click recipe switching. The whole line adopts expandable modular structure; you can freely add or remove stations according to production plans. Operators can master daily operation after simple training. Detachable food-contact components make routine cleaning convenient.
4. Diversified Product Creation
This multi-functional line is not limited to standard stuffed buns. It can produce two-color vegetable buns, meat buns, 24-fold baozl, round buns, barbecued pork buns, walnut buns, silver thread buns.bithday peache bun, steamed twisted rolls, pasties, scallion pancakes, steamed com bread, hand-tom steamed buns, Xinjiangnaan, sesame cake,shaobing, etc. One complete line supports dozens of popular steamed dim sum varieties without purchasing multiple separate forming machines.

5. High Automation & Flexible Configuration
The line can be extended to connect automatic dough mixing equipment, realizing fully automatic feeding, dough processing, forming and tray loading. All modules can operate independently. Buyers can select the full set or partial units to renovate existing production workshops. It can seamlessly connect with steaming lines, freezing tunnels and packaging machines to build a complete unmanned production workflow.
Application Scenarios
Frozen Chinese Dim Sum Manufacturing Factories
Mass continuous production of frozen stuffed buns, mantou, flower rolls and assorted steamed staple foods for supermarket frozen sections and nationwide food distributors.
Breakfast Food Processing Enterprises
Standardized production of ready-to-steam steamed products for convenience stores, school canteens and catering supply chains.
Food OEM & Private Label Processing Plants
Custom production of various steamed staple foods for brand clients, supporting customized shapes, fillings and product specifications.
Central Kitchen & Chain Catering Brands
Stable daily supply of steamed buns and flower rolls for chain restaurants, tea houses and breakfast retail outlets.
Overseas Asian Food Turnkey Projects
Complete automated steamed food production solution for overseas manufacturers specializing in Chinese-style dim sum. Electrical specifications can be adjusted to match local industrial voltage standards.
FAQ
FAQ 1: What kinds of food can this WS209 steamed bun production line make?
It can produce stuffed buns, mantou, flower rolls, twisted steamed pastries, flatbreads, scallion pancakes, corn bread, hand-torn steamed rolls and many other Chinese steamed staple foods. We can customize molds according to your product samples.
FAQ 2: What is the advantage of the upgraded stuffing feeder?
The improved stuffing feeding device works well for vegetable and meat mixed fillings. It keeps filling weight stable, locks moisture and soup inside fillings, and can also handle granular fillings steadily.
FAQ 3: Can this line realize fully automatic production from dough mixing?
Yes. The line structure is expandable. It can be connected with automatic dough mixing machines to realize automatic dough feeding, pressing, dividing, forming and tray arranging without manual intervention.
FAQ 4: What weight range of finished products can this line produce?
Adjustable finished product weight ranges from 10g to 150g, covering mini steamed buns, standard retail dim sum and large-sized handmade-style steamed staple food.
FAQ 5: Do I need to buy all machines as one complete set?
No. All equipment adopts independent modular design. If you already own part of the processing machines, you can purchase individual modules to upgrade your existing production workflow.
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