Wenzhou Longqiang Machinery Tech. Co., Ltd.（温州龙强机械科技有限公司）is a high-tech enterprise and professional manufacturer based in Wenzhou, Zhejiang Province, China. The company specializes in the design, engineering, and manufacturing of advanced food processing and sterilization equipment, serving a wide range of industries including food and beverage, dairy, pharmaceuticals, and biotechnology.
Core Business
Longqiang’s core business centers around the production of sterilization, thermal processing, and sanitary fluid handling systems. The company offers fully customized solutions with high sanitation standards, automation integration, and international compliance, supporting both turnkey production lines and modular equipment installations.
Product and Service Offerings
Longqiang offers a comprehensive product portfolio including:
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Retort Sterilizers:
- Used for thermal sterilization of canned foods, ready-to-eat meals, dairy, and beverages
- Horizontal and vertical retorts available with water spray, steam-air, and rotary options
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UHT Sterilizers & Pasteurizers:
- Ultra-high-temperature processing for milk, juice, plant-based drinks, and sauces
- Systems designed for minimal nutrient loss and aseptic packaging integration
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Sanitary Stainless Steel Vessels:
- Mixing tanks, fermentation vessels, and storage tanks
- Built to GMP and FDA standards, used in food, beverage, and pharma sectors
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Evaporation Systems:
- Multi-effect and forced circulation evaporators
- Ideal for concentrating juice, dairy, syrup, and herbal extracts
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Filters:
- Cartridge, bag, and membrane filtration systems for food-grade applications
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Water Treatment Equipment:
- Reverse osmosis, UV, and EDI water systems tailored for ingredient water compliance
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CIP Cleaning Systems:
- Fully automated clean-in-place systems for processing lines and tanks
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Stainless Steel Pumps:
- Sanitary centrifugal and lobe pumps for liquid transfer in hygienic applications
All equipment is available in standard or fully customized configurations, with full documentation and global shipping support.
Specialization and Core USP
Longqiang’s specialization lies in its advanced sterilization and sanitary process engineering, delivering systems that meet international standards of hygiene, automation, and reliability.
Unique Selling Points:
- Comprehensive in-house design and fabrication capabilities
- All machines made from food-grade SS304/316L stainless steel
- ASME, CE, and PED-compliant pressure vessels and pipelines
- Integrated automation via PLC/HMI with data logging capabilities
- Expert project management from design to installation and training
Financials
Though privately held and without publicly available financial statements, Longqiang Machinery is recognized as a mid-sized enterprise within China’s competitive food machinery manufacturing sector. The scale of its production, technical workforce, and international shipments indicate estimated annual revenues in the range of several tens of millions RMB, with a growing export share.
Shipment Data
Trade data platforms such as ImportYeti confirm Longqiang’s active export presence across multiple regions including:
- Southeast Asia (Thailand, Indonesia, Vietnam)
- Middle East (UAE, Oman, Iran)
- Africa (Egypt, Nigeria, South Africa)
- South America (Brazil, Peru, Chile)
- Eastern Europe and Central Asia
Primary exported items include retort sterilizers, UHT systems, stainless steel vessels, and CIP units, commonly listed under HS Codes 841989, 841981, and 730729. Records show consistent container shipments and repeat buyers.
Target Market
Wenzhou Longqiang primarily serves:
- Canned food and beverage producers
- Dairy and juice manufacturers
- Plant-based food and alternative milk processors
- Central kitchens and institutional food producers
- Pharmaceutical and nutraceutical manufacturers requiring sterile production
Its machinery is ideal for clients seeking FDA, GMP, and HACCP-compliant processing systems capable of handling high-throughput, continuous production environments.
Capabilities
- Full engineering team for equipment design and layout planning
- CNC fabrication, precision welding, and polishing for hygienic finishes
- Simulation and software integration for automated line control
- Factory FAT (Factory Acceptance Testing) and on-site commissioning
- OEM/ODM production with brand labeling and documentation support
Certifications and Compliance
Wenzhou Longqiang adheres to the following international certifications:
- ISO9001 Quality Management System
- CE Certification (European Union)
- ASME Certification for pressure vessels
- GMP-compliant design principles for food and pharmaceutical equipment
- Pressure and safety certifications for global markets (PED, TUV where required)
Documentation packages include mechanical drawings, wiring diagrams, test reports, and material traceability for export clearance.
Customer Testimonials
Longqiang’s global clients have commended its equipment for:
- Reliable performance in high-volume production
- Robust construction and hygienic design
- Prompt post-sale support and remote troubleshooting
- Custom configuration flexibility across multiple product lines
Repeat international clients have selected Longqiang for multiple turnkey installations, particularly for UHT and retort systems in ready-to-eat meal production lines.
Major Achievements
- Over 1,000 installations globally for UHT and sterilization systems
- Strategic equipment supplier for multiple national dairy and beverage projects
- Long-term partnerships with global OEM integrators
- Recognized in Zhejiang Province as a leading food processing machinery exporter
- Developed advanced energy-saving and heat-recovery sterilization systems
Wenzhou Longqiang Machinery Tech. Co., Ltd. continues to drive innovation and precision in thermal processing and sanitary food machinery, providing customized, compliant, and cost-effective solutions to industrial food producers around the world.
