Wenzhou Sunthai Valve Co., Ltd. is a professional manufacturer and supplier of high-quality sanitary valves, extraction systems, fittings, and tank accessories. Based in Wenzhou, Zhejiang Province—China’s industrial heartland for stainless steel and sanitary equipment manufacturing—Sunthai has positioned itself as a key player in the process equipment supply chain, serving global clients across industries including food & beverage, biopharmaceuticals, cosmetics, and cannabis extraction.
Core Business and Product Portfolio
Sunthai specializes in precision-engineered products designed to meet stringent sanitary and hygienic standards required in regulated processing environments. The company’s diverse portfolio includes:
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Closed Loop Extraction Systems:
- 5LB and 10LB Rack-Mounted Systems: Fully jacketed, pressure-rated systems for hydrocarbon-based botanical extraction
- Designed with passive/active recovery configurations
- Applications: Cannabis/hemp extraction, essential oils, pharmaceuticals
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Sanitary Valves:
- Double Seat Mixproof Valves: CIP-capable valves allowing simultaneous flow and cleaning
- Pneumatic Clamped Butterfly Valves: Designed for automated sanitary fluid handling
- 3-Way Hygienic Divert Seat Valves: Flexible configurations for directional control in process pipelines
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Sanitary Tube Fittings:
- Clamp, weld, and threaded stainless steel fittings in 304/316L
- Compliant with 3A, ISO, and DIN standards
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Sanitary Pumps:
- Centrifugal and lobe pumps engineered for food-grade and clean-in-place operations
- Ideal for dairy, beer, juice, and pharmaceutical liquids
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Tank Accessories:
- Round Tank Manholes: Pressure-rated openings for stainless steel vessels
- Adjustable Air Relief Valves: Pressure regulation for sanitary processing environments
Each product is tested for dimensional accuracy, surface finish, and material traceability, making Sunthai a preferred partner for high-specification sanitary systems.
Manufacturing Capabilities and Infrastructure
Sunthai operates a vertically integrated production facility with advanced machining and testing capabilities.
- Factory Area: Over 8,000 square meters
- Core Equipment:
- CNC machining centers, polishing machines, laser welders
- Surface roughness testing and hydrostatic pressure testers
- In-House QC Team: Oversees quality from raw material sourcing to final packaging
The company utilizes internationally sourced stainless steel (304/316L) and maintains full traceability via material test reports (MTRs).
Quality Standards and Certifications
Sunthai adheres to international sanitary design standards and supports customers with relevant documentation for global compliance.
- 3A, DIN, ISO, and SMS Standards
- CE Certification for European markets
- GMP Compliance: Materials and finishes suitable for use in pharmaceutical and food environments
- Full Documentation:
- Material Test Reports (MTRs)
- Pressure Test Reports
- Surface Finish Certification
- Conformity Declarations
All valves and fittings undergo 100% leak testing and visual inspection before dispatch.
Global Reach and Export Markets
Sunthai exports more than 80% of its production to overseas markets, with a growing network of distributors and OEM clients.
- Primary Export Markets: United States, Canada, Germany, Australia, Thailand, Colombia, UAE
- Distribution Partners: Local stockists and OEM resellers in North America and Southeast Asia
- Participation in Trade Shows: Cannabis Business Expo, Pack Expo, Drinktec, ProPak
The company’s export team provides multilingual support, global logistics coordination, and regulatory compliance assistance.
Custom Engineering and Innovation
- Custom System Design: Tailor-made extraction systems and valve configurations based on client process requirements
- CAD and Simulation: 3D design support and flow simulation for system validation
- R&D Focus: Constant development in extraction technology, valve automation, and sanitary connection improvements
Sunthai’s engineering team partners with clients on OEM and white-label projects, offering design-to-delivery services.
Applications and Target Industries
Sunthai products are designed to serve demanding hygienic and high-pressure processing sectors:
- Cannabis & Botanical Extraction
- Food & Beverage Processing
- Brewing & Distilling
- Pharmaceutical Manufacturing
- Cosmetic and Personal Care Formulations
From small-batch artisan setups to industrial-scale production lines, Sunthai delivers modular and scalable solutions.
After-Sales Support and Services
- Technical Consultation: Application-specific support on valve selection, system design, and process flow
- Documentation: Detailed manuals, CAD drawings, test certificates, and operation guidelines
- Warranty & Spare Parts: Standard 1-year warranty and fast-access global spare parts service
- Remote and On-Site Assistance: Available through global technical partner network
The company is committed to lifecycle support, ensuring operational continuity for end users.
Business Performance and Achievements
- Over 3,000 closed-loop systems installed globally
- Trusted by over 1,500 clients in 40+ countries
- 20% year-on-year growth in overseas markets
- Recognized for rapid response times, product reliability, and precision machining
Sunthai’s reputation is built on performance, precision, and process compliance—making it a valued name in high-spec process system markets.
Conclusion
Wenzhou Sunthai Valve Co., Ltd. is a technology-driven manufacturer specializing in hygienic valves, extraction systems, and sanitary components for global industries that demand the highest levels of precision, safety, and regulatory compliance. With in-house engineering, certified quality systems, and export-ready operations, Sunthai stands as a dependable partner for manufacturers and system integrators around the world.
