久久观看,色婷婷狠狠,色综合久久久久久久久五月,999久久狠狠免费精品,狠狠色噜噜狠狠狠狠狠色综合久久,婷婷射丁香,亚色在线观看

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.