ONTRA STEEL CORP. LTD.

Factory add.:KangQiao Industrial Zone,,Shanghai Pudong New District,P.R.China

Shanghai add.:Room 303,No.188 Zhangyang road,shanghai city,P.R.China

Tel:86-21-58380720

     86-13816498799

Fax:86-21-38013354
Company Email:Info@ontrasteel.com