TIW Kelly Valve,Cock
Connection available NC26,NC31,NC38, 4 1/2 REG LH,NC50,5 1/2 FH,6 5/8 REG LH
Working pressure available:35mpa,70mpa,105mpa
Jining Donghong Machinery Co., Ltd
www.dhparts.com
dh@dhparts.com
spareparts1960@gmail.com
Mobile/WhatsApp: 0086-18954079939
Skype: spareparts1960
API OSHA IADC OPEC RIG ZONE WORLD OIL Drilling Formulas