免费无码视频,五月婷婷丁香,亚洲日韩一区二区,亚洲精品黄色,久久日韩精品一区二区三区色欲,成人在线网站,无码国产精品一区二区高潮,亚洲精品一区

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.

Tel: 0086-539-8753666 
Fax: 0086-539-8762888

I am looking forward to your reply.

Best regards

Sonia