中文字幕3区4区_性欧美一级视频免费播放_亚洲国产精品无码成人片久久_人妻喷白浆无码系列_亚洲热门午夜精品_麻豆传媒映画之夜色在线_亚洲欧美日韩日本国产_国产免费AⅤ在线无码免费看

Dear sir,

I am Sonia from Liangyu Steel StripCo., LTD,which is specialized in all kinds of heat treated and tempered steel strip.Our company is specialized in heat treatment quenching steel strip,cold rolled bright annealing material,hot rolled steel strip.There are four colors in the products surface:Black gray,bright(ehite),blue finished and yellow finished.

Material:High carbon steel,50#,65Mn,T8-T10A,low carbon steel,Q195,Q215,Q235,Q345

We can supply you steel blade,steel sheet and reeling shutter spring steel strip.

I am looking forward to your reply.

Best regards

Sonia