山东胜利钢管有限公司|spiral sub-yd2333云顶电子游戏

shengguan group is equipped with sophisticated equipments, advanced technology and complete quality assurance system. with the most advanced production and test equipments in china, shengguan is capable of producing φ219-φ2200mm ssaw pipes with wall thickness up to 25.4mm and steel grade up to x120 in accordance with api spec 5l, gb/t 9711-2011 or even higher quality requireiments.