Supply downhole tools include stabilizer,drilling jar,reamer,hole opening tool,casing scrape,kelly cock,pressure test tamper,lifting sub,overshot,junk spear,junk basket,taper tap and die collar,junk mill,washerover mill 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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