The main products are 2”-10”drill pipe, HWDP and non-magnetic drill pipe, 3 1/8”-14”drill collar and non-mag drill collar, 3 1/2”-6” Kelly and 2 3/8”-10” pup joint, tool joint; and oil &gas drilling High Strength Welded HWDP Heavy Weight Drill Pipe Drill Collar Drill Pipe Pup Joint Sub Kelly Drill Collar Kelly Lift sub and Cossover sub Non-magnetic Drill Collar Non-magnetic Heavy Weight Drill Drill Pipe Body total25ArticlePer Page12ArticlePage:2/3HomePrevious123Nextlastthe1pagethe2pagethe3page
