Established in 2007 in Xingtai, Hebei, OK VALVE integrates foundry, machining, surface treatment, and sales within its 20,000-square-meter facility. Certified under ISO9001, the company manufactures products in strict accordance with GB, API, ANSI, JIS, and DIN standards. Its valves are widely applied across power plants, petroleum, chemicals, pharmaceuticals, food processing, papermaking, water supply and drainage, HVAC, and pipeline systems. The core product portfolio includes butterfly valves, desulfurization valves, hydraulic control valves, resilient seated gate valves, check valves, gate valves, globe valves, ball valves, knife gate valves, power plant valves, fluorine-lined valves, rubber-lined valves, and related accessories.