Established in 1983, BTL(Boteli) Valve Group is a big company specializing in manufacturing and exporting valves for oil and gas services etc. . It owns many international and domestic certificates, such as ISO9001:2000, ISO14001, API6A&6D, OHSAS18001, CE0035, AZ, etc. The products include 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, amount to more than 30 variety,160 series, and almost up to 1000 specifications, conform to national and internat-ional 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-196Deg C ~+680Deg C ,material including carbon steel, alloy,stainless steel, cryogenic carbon stainless steel containing titanium, Monel, 20 alloy etc or can be tailor-made according to clients&＃039;&＃039; requirement. Our company webpage is: www. xxxxx We warmly welcome your visit. Hope to cooperate with both old friends and new clients to pursue and realize a brilliant future in the new 21st century.