... .Design & Manufacture Std.: API600, ASME B16.34, API6D, BS5351 Face to Face Std.: ASMEB16.10 (JISB2002),API 6D, DIN3202, ASME B16.25End ... Pattern,Venturi Pattern,Full Bore PatternOperated way: Handwheel, Gear, Pneumatic, Electric Actuator. Certificates:ISOTSCEAPI6D We have good experience for making industrial valves ...