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Wenzhou Youyijing Cleaning Equipment Technology Co., Ltd. is a leading manufacturer of high-quality vacuum flanges, valves, fittings, and custom solutions used in pharmaceutical, food, semiconductor, chemical, and energy industries.
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Located in Wenzhou Longwan District, known as "the town of China's pump valve," Wenzhou Youyijing Cleaning Equipment Technology Co., Ltd. is a professional enterprise integrating research and development, production, and sales of vacuum system components.
Our product series are made from high-grade stainless steel SUS304 and SUS316L, manufactured in strict compliance with international standards including SMS, ISO, DIN, IDF, and 3A. We ensure real-time quality monitoring throughout the production process for sustained and stable product performance.
Pharmaceutical
Food & Beverage
Chemical
Petrochemical
Semiconductor
Water Treatment
High-Precision Vacuum Components for Demanding Applications
High-vacuum compatible flanges made from SUS304/SUS316L, ideal for semiconductor and nuclear applications.
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Standardized ISO flanges with welded, blind, and bellows configurations for industrial systems.
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Quick-release KF connectors, elbows, clamps, and three/four-way joints for modular vacuum systems.
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Pagoda joints, threaded connectors, and quick-release couplings for fluid and vacuum transfer.
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High-vacuum valves including flapper, diaphragm, ball, butterfly, and angle valves with manual/pneumatic options.
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Metal bellows, KF/ISO/CF hoses, and hydraulic vacuum expansion joints for flexible connections.
Learn More →Custom-designed vacuum components and assemblies based on client specifications and drawings.
Learn More →High-precision electromagnetic high-vacuum charging and flapper valves for automated systems.
Learn More →Full stock availability, short delivery times, and strict adherence to ISO, DIN, SMS, IDF, and 3A standards.
Custom logo printing, design modifications, and tailored production for global partners.
High quality, factory-direct pricing, fast response, and reliable service guaranteed.
Professional manufacturing team and efficient foreign trade support for seamless collaboration.
Quality Management System
Utility Model Patent
Reliability, precision engineering, and responsive service are driving global demand for our vacuum components.
Published: May 12, 2025Overview of common vacuum pumps including reciprocating, rotary vane, slide valve, and Roots types.
Published: August 17, 2024Reach out for product inquiries, custom orders, or technical support.
No.626 Airport Avenue, High-tech Industrial Development Zone, Longwan District, Wenzhou City
+86 137 0588 7228 (Cain)
QQ: 370757507
www.yyjkj.com
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