欧洲精品乱码久久久久蜜桃,72式性无遮挡在线观看视频,夜夜操夜夜干,一区二区三区在线免费观看,色91av,欧美激情片一区二区,91cn国产在线

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.