Taiyuan Mining Machinery Group Co., Ltd. (TMM Group) is one of the biggest manufacturers in the fields of metallurgy equipment, steel & ductile iron castings, welding products and forgings in China. TMM Group was established in 1925 and it is a large state-owned enterprises. TMM Group has more than 2,000 employees that including 400 senior technical engineers. In 2011, the sales turnover of TMM Group exceeds one billion US Dollars. Taiyuan Mining Machinery Import & Export Co., Ltd. is fully-invested subsidiary company of TMM Group to deal with all business related to export and import...