九一精品一区,色戒梁朝伟和汤唯无删减版在线观看未删减版,伊人中文字幕在线观看,亚洲男人在线,五月婷婷之婷婷,色戒完整版无删减在线观看,天堂成人一区二区三区

Main Products
Products Grade: 1.4104
Specifications: φ5.5-38mm
Applied Standard:  DIN 17440/EN 10088/Agreement
Characteristics: throttle valve
Applications: free-cutting stainless steel
Use of Products: Compared with Y1Cr17, 1.4104 has higher content carbon and molybdenum , so it has high strength and good corrosion resistance ，Widely used in processing auto parts.