2026-08-28 18:54:27
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STONG was founded in September 2007 and is located in Wenzhou, Zhejiang Province, China. With a registered capital of 10.08 million yuan, it is a professional American standard valve manufacturing enterprise. Our company's products cover multiple specifications of diameters and pressure levels, and are compatible with various materials such as carbon steel, stainless steel, and heat-resistant alloy steel. They are popular in China and exported to Southeast Asia, the Middle East, Europe, and America. STONG is equipped with a complete set of production line testing devices such as CNC machining equipment, pressure testing benches, and non-destructive testing instruments. The entire series of products have passed authoritative certifications such as ISO9001 quality management system, special equipment TS license, and API American standard, strictly controlling the factory sealing and pressure resistance performance. The products are widely used in industrial fields such as petrochemicals, power metallurgy, water treatment and heating, pharmaceuticals and papermaking, coal and fertilizers, etc. The core main products include ball valves, gate valves, globe valves, check valves, low-temperature valves, Y-shaped filters, flanges, and pipeline fittings.