We supply Air Winch JQH-5*48,JQH-10*24,JQHS-20*40,JQHS-35*25,XJFH-10/20Z,XJFH-2/35T,JQHS-40*55,JQHS-50*12,JQHS-100*10,JQHS-80*10 etc.
Jining Donghong Machinery Co., Ltd
www.dhparts.com
spareparts1960@foxmail.com
dh@dhparts.com
Mobile/WhatsApp: 0086-18954079939
Skype: spareparts1960
API OSHA IADC OPEC RIG ZONE WORLD OIL Drilling Formulas
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