国色天香手机视频免费网|汤唯色戒床上未删减版|91视频大全|在线免费成人,不忠未删减完整版电影,久久性天堂,伊伊亚洲综合人网777

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.