国产精品久久久99,在线观看网址入口2020国产,久久国产视频网站,亚洲午夜大片,国产对白91色拍高清精品,国产精品三级国语在线看,国产电影午夜成年免费视频

Drain plate bracket material：

●Cast aluminum bronze alloy: machined after casting, non-magnetic material, creep resistance.

●SUS304: After the sheet is cut, it is welded.

●SUS310: After the sheet is cut and welded, it has good temperature resistance and high strength, and is suitable for large drain plate brackets.

Skills requirement:

●The surface of the bracket is flat, the weld is full, and the frame is not deformed.