Recently, JLSP completed the small-quantity of X80 Φ 1422*35.2 mm bends trial-production for China-Russia Eastern Pipeline South Section. It is a new technical breakthrough in developing high grade, large diameter and large wall thickness steel pipe, which marks JLSP is lifted to a new level in product research and development of Φ 1422 steel pipe.

In January of this year, JLSP made the first successful trail-production in manufacturing mother pipe of X80 Φ1422 x 35.2 mm bend, and basically mastered the manufacturing technology and steel plate technical requirements.