2026-04-21 11:56:50
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KST VALVE.Founded in 1988, KST VALVE is a professional valve manufacturer integrating R&D, production, and sales. With a registered capital of 200.88 million yuan, the company operates two major production bases in Wenzhou and Quzhou, Zhejiang Province, and currently employs over 280 staff members. The company has consistently prioritized technological innovation and has successfully obtained 38 national patents, including key technologies such as high-temperature wear-resistant lined gate valves and high-wear-resistant hard-seal ball valves. In terms of production and quality assurance, KST has established a comprehensive management system. It possesses over 80 advanced processing machines, including machining centers and CNC turning and milling machines, as well as complete warehousing facilities such as semi-finished goods and finished goods warehouses. Its testing capabilities are particularly outstanding, with the establishment of a CNAS-accredited testing center. The center is equipped with advanced instruments such as a SPECTRO direct-reading spectrometer from Germany, a NITON portable alloy analyzer from the U.S., a coordinate measuring machine, valve cryogenic testing equipment, low-leakage detectors, and valve torque life testers. It also features a materials mechanical properties laboratory and an advanced pressure testing center, enabling comprehensive and rigorous inspection of raw materials, components, and complete valve assemblies to ensure products fully meet customer requirements. KST VALVE has obtained a series of internationally recognized certifications, including: Management System Certifications: ISO 9001, ISO 14001, ISO 45001; Special Equipment Certification: TS Manufacturing License; API Certifications: API 6D, API 600, API 602, API 607, API 6FA; and other certifications such as the EU CE Mark. Our main products include: ball valves, gate valves, knife gate valves, globe valves, check valves, forged steel valves, plug valves, butterfly valves, cryogenic valves, brass valves, and filters. Our products are widely used in heavy industrial sectors such as petroleum, refining, natural gas, chemical, coal chemical, power, and metallurgy, and are exported to many countries and regions including the Middle East, Europe, Africa, South America, and Southeast Asia.