To meet technical requirements,hole opener drilling  to ensure smooth delivery of the product according to the contract period, collars branch accurate to determine the time each process node, and strict checking of the production node completion last week in the weekly production of a regular meeting, if you find problems in time to do well adjustments to ensure the orderly production. Upon completion of the node tasks simultaneously, strict quality control, earnestly HWDP Hardbanding heat affected zone and the public, magnetic particle inspection at the female threaded screw, to increase the pipe body ultrasonic testing in strict accordance with ZT-JT5 ∮1.5 equivalent standard requirements, ensuring the accuracy of product requirements. roller reamers manufacturers For the next processing of large sample machines and equipment can not meet the demand, the branch dispatcher actively coordinating with the Brothers production.