... societies, i.e. CCS (China), LR (UK), DNV (Norway), ABS (U.S.A), BV (France), NK (Japan), and GL (Germany).Certified ... , marine pipe, hollow sucker rod, oil cracking tube, tubing, American standard tube, European standard tube, etc. It has an annual production capacity of ... than 200,000 tons. The Strong Eagle series seamless steel tube has been awarded with the Household Name of Jiangsu Province ...