CZTV.CZTV is a professional manufacturer specializing in the research, development, and production of cast and forged steel valves, established in 1998 and based in Wenzhou, Zhejiang. The company operates two production bases with a total area of approximately 50,000 square meters. In addition to core processes such as forging, machining, assembly, and testing, it is equipped with a dedicated oxygen valve workshop, a TAT testing center, and a high- and low-temperature testing center. The company has established a comprehensive ISO 9001 quality management system and has obtained multiple international certifications, including API, CE, and TS. Its products strictly adhere to major international standards such as ASME, API, ANSI, DIN, and GB. The company primarily manufactures gate valves, globe valves, check valves, ball valves, bellows-sealed valves, cryogenic valves, and power plant valves. Materials used include carbon steel, stainless steel, alloy steel, and various special alloys, covering a wide range of sizes and pressure ratings. The products are exported in large quantities to many regions worldwide and are widely used in critical industrial sectors such as petrochemicals, natural gas, oil refining, and power generation.
