国产免费久久久久AV片_欧美日韩中文字幕不卡一二区_无码孕妇孕交在线播放_日韩经典电影在线观看亚洲福利_大量国产真实在线视频_亚洲欧美日韩中文字幕人妻_18禁av片免费看网站_亚洲中文字幕另类人妻_91自慰喷水流白浆免费观看_51精品国产人成在线

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-