We're a gov-owned company mainly handling with the import business on crude oil,gas,coal,steel,caoutchouc and mining products. And we are the one of five crude oil importer record by WTO in China. We have established the purchase relationship with some steady supplier as Trafigura,Glencore,Mri Trading AG.At present,copper/lead/zinc ore/concentrates/cathoded is on our purchase schedule and we are looking forward to long-term and steady relationship with the suppliers.