We are a leading manufacturer of oli drill pipe, coalbed gas drill pipe, shale gas drill pipe, geothermal well, water well drill pipe and drill collar/kelly, heavy weight drill pipe and other related equipments and parts ect. Our co***ny covers an area of 70, 000 square meters, among which the construction area is 50, 000 square meters. Its total asset is one billion RMB. We have obtained API 5DP, ISO 9001:2008 certificates. We would like to provide perfect quality, competitive marketing prices, and g...
|