日韩亚洲一区中文字幕在线,黄色视频免费观看网站,9191精品国产免费久久,欧美日韩三四级视频在线观看,亚洲国产成人久久综合碰,国产午夜av毛片久久,真人抽搐一进一出gif免费木瓜视频

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.