Sucker rod coupling, coupling, details of connecting rod:
Joint we offer API 11B line, including the sucker rod coupling, small joint, connecting rod and light.Joint coverage of T, SM, UHS (ultra high strength), the use of high-quality steel as the raw material of the bar.
Cangzhou Great PDC Drill Co., ltd specializes in designing, manufacturing, marketing and serving the high performance diamond bits and drilling tools used in petroleum industry .The company is established by the top experts of the field , and equipped with advanced equipments and facilities .
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Mike chen---sales manager
Hebei Zhankui Drilling Equipment Co., Ltd / Cangzhou Great Drill Co., Ltd
tel: 0086-0317-3212988
fax: 0086-0317-3212998
fax: 0086-0317-3212998
mobile: 0086-158 308 16371
skype: greatmary1
QQ: 1946547249