国产欧美激情日韩成人三区|成A∨人片在线观看无码|91欧美精品午夜性色福利在线|亚洲一级黄色,男人的天堂久久久,久久综合操,国产超级乱淫视频播放免费

Main Products
Products Grade: 316
Specifications: φ5.5~28mm
Applied Standard:  agreement
Characteristics: screw,fasteners,medical wire
Applications: Stainless steel wireStainless steel fasteners
Use of Products: 316 has good corrosion resistance,high temperature strength and good work hardening performance. It usually used for high corrosion resistance screw、fasteners、medical wire.