升级到高级会员并解锁额外的福利. 更多详细资料
加入我们,关注您的公司成长! 成为全球1万多家金属材料公司的一分子 更多详细资料
Coloring in the surface of stainless steel , mainly for the convenience of the operat...
Surface shading thread insert have the function of free-running and screw-locking ins...
API 5 1/2 J/K55 N80 casing coupling BC/LC oil pipe coupling clamp casing collar stan...
High quality collar connection pump rod joint oil pipe coupling standard Product Na...
2 3/8"-20" API 5CT tubing and casing Coupling and Connectors for oilfiled Api Casing...
low price spiral welded steel pipe carbon steel borewell pipes Product Name low pri...
spiral steel pipes api 5l for oil field service casing and tubing Product Name spir...
Product Name Pup Joint Tubing and Casing drill pipe Oilfield Composite Thread Protec...
Product name different types of carbon steel gaskets and flanges Material Carbon s...
1.Standard: GB/T 20065-2006 ,ASTM A722 2.Material:40Si2MnV 3.Diameter: 15-75mm ...
Feature : (1) The bolts have high strength stress ,good support capacity can preve...