Established in 1986, TDM focuses on manufacturing best machinery products to    meet US OEM customers' strictly requirements for both quality and service. TDM also has invested into several other manufacturers operations. TDM serves over 30           customers worldwide; we have been established long-term relationships with over 40 manufacturers in different industries in China. 
    Our products are widely used in many American industries: automotive, hydraulic    flow, locomotive, construction machinery, sanitary equipment, agriculture equipment, and aerospace. 
    Our products are made of a wide range of materials: grey & ductile iron, carbon    steel, stainless steel, bronze, aluminum, magnesium and other alloy steel. 
    Our parts are manufactured using many different processes: forging, sand casting, die casting, investment casting, lost foam, permanent mould, eccentric casting, gravity casting, shell moulds, extruded, bar stock, CNC plasma cut.
    We do many types of special surface treatment and heat treatment.