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Pan-Fried Buns Production LinePan-Fried Buns Production Lineread more
LONGYU Pan-Fried Buns Production Line focuses on creating well-formed products that remain suitable for subsequent arranging, frying, or freezing. Since... -
Finger Buns Production LineFinger Buns Production Lineread more
LONGYU Finger Buns Production Line is designed for manufacturers producing compact filled buns in standardized batches. With smaller products, even minor... -
Soup Dumpling Production LineSoup Dumpling Production Lineread more
LONGYU Soup Dumpling Production Line is developed around the unique forming requirements of Xiaolongbao. Its thin unleavened wrapper is sensitive to heat...

Precision Engineering

Soup bun manufacturing combines several demanding processes, including thin wrapper forming, filling control and decorative pleating. The challenge is maintaining delicate structures while achieving industrial consistency.
LONGYU's soup bun solutions are developed around handmade-style processing requirements, helping manufacturers produce products such as xiaolongbao, pan-fried buns and thumb-sized buns with stable quality.
In-House R&D & Engineering
We Develop Machines Around Real Food Processes
LONGYU has its own R&D and engineering team, with experience in mechanical design, automation control, forming systems, and customized equipment development.
Instead of simply adapting existing machines, we develop different feeding, filling, cutting, shaping, depositing, and handling solutions according to the characteristics of each food product.


Custom Food Production Line Manufacturer
LONGYU specializes in customized food production line design and manufacturing for global food producers. According to your product requirements, production capacity, output targets, and factory conditions, we develop optimized automation solutions from individual machines to complete production systems.
With professional engineering experience and food processing knowledge, we help customers achieve stable production, consistent quality, and efficient operation.
Traditional Food Automation Solutions
Many traditional foods require skilled manual processing.
• LONGYU helps manufacturers automate products such as: Xiaolongbao
• Pan-fried buns
• Gua bao
• Mochi products
• Filled tangyuan
• Other specialty foods
Our solutions focus on maintaining traditional appearance while improving production consistency.

Professional Engineering Team
Supporting food manufacturers with practical automation solutions.
Complete Production Planning
From individual machines to complete production lines.
Reliable Technical Support
Providing assistance from installation to production optimization.

LONGYU equipment is widely used in:
Food Factories
For manufacturers requiring stable industrial production and large-scale output.
Traditional Food Manufacturers
For businesses looking to automate handmade-style food production.

Bakery Businesses
For companies producing cookies, bread, pastries and other baked products.
New Product Development
For companies requiring flexible equipment for product testing and market expansion.
Long-Term Technical Support
Our service begins before the machine is manufactured.
LONGYU supports customers with product evaluation, equipment selection, process planning, customized design, installation guidance, operator training, and after-sales technical support.
We aim to help customers not only install the equipment, but also establish stable and reliable production.

FAQ
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Q1. What products can be produced with a soup bun production line?A: A soup bun production line can be designed for various Chinese steamed bun products, including xiaolongbao, pan-fried buns and thumb-sized buns. The production solution focuses on thin wrapper forming, filling and traditional appearance reproduction.
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Q2. What are the main challenges in automating soup bun production?A: Soup bun production requires precise control of thin dough wrappers, filling distribution and pleating appearance. The main challenge is achieving industrial consistency while maintaining handmade-style characteristics.
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Q3. How does the production line reproduce handmade soup bun processing?A: The production process simulates traditional preparation methods through controlled dough handling, wrapper forming and specialized shaping processes. This helps manufacturers achieve more consistent products with handmade-style appearance.
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Q4. How does the production line create consistent pleats on soup buns?A: The forming system uses specialized shaping structures to create stable pleating patterns. This helps reduce differences caused by manual operation and maintains consistent product appearance.
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Q5. How does the production line ensure stable filling inside soup buns?A: The system accurately controls dough and filling coordination during forming. This helps maintain proper filling distribution and reduce issues such as uneven wrapping or product leakage.
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Q6. Can the soup bun production line produce different sizes of steamed filled buns?A: Yes. The production configuration can be adjusted according to product size, weight requirements and market applications, allowing manufacturers to produce different soup bun-style products.
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Q7. What factors should manufacturers consider before investing in a soup bun production line?A: Important factors include product type, required capacity, wrapper thickness, filling characteristics, desired appearance and factory production requirements.
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Q8. Does LONGYU provide complete production lines?A: Yes. LONGYU provides both individual machines and complete production planning solutions, including process arrangement and factory workflow optimization.
Shanghai Longyu Electro-Mechanic Technology Co., Ltd. is one of the most professional automatic soup dumpling production line manufacturers and suppliers in China, featured by quality products and good service. Please feel free to wholesale advanced automatic soup dumpling production line made in China here from our factory. Also, custom service is available.
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Mochi Production LineMochi Production Lineread more
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Meatball Production LineMeatball Production Lineread more
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Danish Bread Production LineDanish Bread Production Lineread more
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Egg Tart Shell Production LineEgg Tart Shell Production Lineread more
LONGYU Egg Tart Shell Production Line is designed for manufacturers seeking...
