Taiyuan Mining Machinery Import & Export Co., Ltd ...
Taiyuan Mining Machinery Import & Export Co., Ltd. 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.