Wuxi Shuoyang Stainless Steel Co.,Ltd.
158 9530 9499

Technological process

Production process diagram of Shuoyang stainless steel 403BA

Raw material

-one-

Batch annealing

-two-

Pickling

-three-

Recoiling

-four-

Cold rolling

-five-

Brightness anealing

-six-

Skin-pass

-seven-

Slitting

-eight-
特级丰满少妇一级AAAA爱毛片_一级毛片久久久久久久女人18_少妇一级婬片免费放_国产农村妇女精品一二区_真人一级毛片毛多色婷婷_好吊视频一区二区三区_国产黄A三级三级三级看三级_大地资源影视中文在线观看,国产精品亚洲精品日韩动图