We are Xintai Copper Industrial Co. Ltd of Laiwu Iron and Steel Group, which is one of the largest manufacturers and exporters of copper sulphate in China and we are interested to import large quantity( 3000mt/month) of copper oxide ore as our raw materials to produce copper sulphate, so please confirm us whether you could supply with the attached specifications, if yes, many thanks to contact us by the email address: Thanks a lot and looking forward to cooperation with you soon!