Boteli is one of regional leading valves manufacturer, consist of forged vales, gate valves, globe valves, ball valves, check valves, plug valves, metal to metal sealing butterfly valves, high temperature and high pressure power station valves, amoust to more than 30 varieties, 160 series, and almost up to 1000 specifications, confrom to national and international advanced standards, such as ISO, API, ANSI, BS, DIN, NF, JIS, GB, JB etc. The valves are widly applied in the fields of petroleun, chemicals, natural gas, electric power, metallurgy, pharmacy, construction, water supply etc by right of the usability, credibility and reliability.