Boteli Valve Group Co., Ltd.being a member of China Valve Association, a net work member of China Petroleum Natural Gas Company, and the appointed manufacturer for China petrochemical, is a non-region-limit group. The company was set up in 1983, and now has 756 staff, including 3 senior engineers and 155 technicians. The company locates in BTL Industrial Park, Sanqiao Industry Zone, Wenzhou, China, which covers an area of 38, 000 square meters , and the building area is 28, 000 square ***** are more than 10 workshops, comprising casting, welding, heat treatment, mechanical and ***** also owns forging valves, casting valves, butterfly valves, and special type valves production centers. The company is equipped with more than 300 sets of equipments, welding machine, super frequency vacuum treatment, specialized digital control for balls, special machine for high efficiency mechanical treatment, performance and detection etc., using for mechanical treatment and test and check purpose. To ensure the high quality and speed up the research and development of new products, the company establishes CAD design center, and a complete quality assurance system.Successively this company obtained many international certificates, including ISO 9001:2000, CE, API 6D-0478. The company is one of regional leading valve manufacturers, consisting of forged valves, gate valves, globe valves, ball valves, check valves, plug valves, metal to metal sealing butterfly valves, high temperature and high presure power station valves, amounting to more than 30 variety, 160 series, and almost up to 1000 specifications, conforming to national and international advanced standards, such as ISO, API, ANSI, BS, DIN, NF, JIS, GB, JB, size 1/4"�80"(DN6DN2000 ), class 125Lb-2500Lb(0.1MPa-42.0MPa), working temperature-196�+680�, material including carbon steel, alloy, stainless steel, cryogenic carbon stainless steel containing titanium, Monel