Tangshan Ruiyin Group was established in 2003, its total capital assets is 3,000,000,000 RMB,its a comprehensive industry enterprise which specialized in steel production and steel sales. It has six departments: administrative management department, financial management department, risking control department, international trade department, steel realty department and market management department. At present, Ruiyin group has ten subsidiaries in China, which are Tangshan Ruiyin International Trade Co., Ltd, Luannan Tongsheng Metal Product Steel Co., ltd, Ruiguo Tongsheng Holding Co., Ltd,...