Yantai Penghui Copper industry co.,Ltd.is one of a small number of the enterprises with im-exported quota licence.Since 1993,it had connected with large copper concentrate suppliers from the USA,Australia and Chile professionally .For several years ,it realized foreign invesment of more than 30 million Dollars early or late,with 25~30 thousand tons of annual imported copper concentrate ,which contains 75~90 thousand tons of copper,which amounts to 10% of that in China,8000 tons of exported cathode copper,whose im-exported volume ranks in the front row of the same industry around China.

Its double-excellent product¡ª¡°San Jian Brand cathode copper was registered in Shanhai,Shenzhen Metal exchanges in 1993,and it trades by future through domestic information net sa well as Rout satellite receiving system in Shanhai,Shenzhen and Lndon Metal Exchanges.Meanwhile,it develops im-exported profession of other nonfereous metals and mineral resources such assilver, lead ,zinc,aluminum and rust-removing sand