GY Balls
ZHEJIANG GUOYANG VALVE CO., LTD
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ZHEJIANG GUOYANG VALVE CO., LTD
Stainless Steel Valve Parts Expert | Trusted by Global Industries in Oil & Gas, Chemical, Plumbing, Refrigeration, and More
Daily Production Capacity
Size Range (1/4" to 16")
Certified Quality Standards
Specialized in the manufacturing and export of various stainless steel valve balls, with a size range from DN8 to DN400mm (1/4" to 16"). We are committed to being the spokesperson for High Quality Made in China, delivering reliable, competitive, and certified valve components to global customers.
Our main products include solid balls, hollow balls, floating balls, trunnion balls, three-way balls (L and T port), V-port balls, balls with stem, valve seats, and valve stems—suitable for a wide range of ball valve designs and applications across plumbing, heating, refrigeration, chemical, oil & gas, and industrial systems.
With over 80 skilled employees and a 5,000 sqm state-of-the-art facility, we ensure complete control from raw material sourcing to finished product delivery.
Learn more about our company →We offer a comprehensive range of high-precision stainless steel valve components designed for durability, performance, and compatibility with international standards.
Precision-machined solid stainless steel balls for high-pressure applications. Ideal for trunnion-mounted and floating ball valves.
Lightweight yet durable hollow design reduces valve weight and cost without compromising performance.
Designed for floating ball valves where the ball is not fixed and moves slightly to create a seal under pressure.
Engineered for high-pressure and large-diameter applications with fixed ball support for enhanced stability.
Custom-engineered balls including three-way (L/T port), V-port, segmented, and balls with integrated stems.
High-performance sealing seats made from PTFE, RPTFE, PEEK, and metal for superior leak-tight performance.
Precision-forged stems with anti-blowout design, suitable for both floating and trunnion ball valves.
L-port and T-port configurations for flow diversion or mixing in complex piping systems.
From raw material to finished product, we maintain full control over every stage of production to ensure unmatched quality, consistency, and delivery performance.
Partnered with Tsingshan Group, a Fortune 500 company, ensuring a stable supply of high-grade stainless steel with full traceability and certification.
Over 200 sets of CNC lathes and automated forging lines for high-efficiency production of blanks to finished components with tight tolerances.
ISO 9001 and CE-PED certified with a 6S (Sort, Set, Shine, Standardize, Sustain, Safety) managed facility ensuring operational excellence.
Triple inspection process: incoming material, in-process, and final product checks using CMM, hardness testers, and surface roughness gauges.
Three dedicated production lines for small (DN25), medium (DN25–DN150), and large (DN150+) sizes with a daily output of up to 40,000 pieces.
Serving customers in Europe, North America, Middle East, and Asia with fast response, technical support, and reliable logistics.
We primarily use SS304, SS316, SS316L, and other specialty alloys like 17-4PH and Inconel based on application requirements.
Our standard size range is DN8 to DN400 (1/4" to 16"), covering small, medium, and large diameter applications.
Yes, we are certified under ISO 9001 and CE-PED, and our products comply with API 6D, ISO 17292, and other international standards.
Absolutely. We support OEM and ODM projects with custom designs, materials, and packaging. Send us your drawings or samples.
Typical lead time is 20–30 days depending on order quantity and complexity. We offer expedited options for urgent needs.
We respond within 24 hours. For immediate assistance, feel free to reach out via phone or WhatsApp during business hours (09:00 AM – 6:00 PM China Time).
Company: ZHEJIANG GUOYANG VALVE CO., LTD (GY Balls)
Address: No.12 Xingchao Road, Wenzhou Bay New District, Wenzhou, Zhejiang, China P.C 325025
Phone: +86-577-8598 7989
Email: kevin@gyballs.com
WhatsApp: +86-13362073887
Fax: +86-577-8598 8586
Website: http://gyballs.com
TAX ID: 91330301MA2L666L9H
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