Ningbo TianHang Highway Imp.&Exp. Co., Ltd. is the main supplier for Engineering machinery parts and precision castings and forgings where is located in Ningbo,China, the beautiful international harbor city . Our main engineering machinery parts which include the excavator's bucket teeth, adapters, pin & retainers, high strength fasteners, undercarriage parts ,drilling bits and other wear resistance wear parts for mining, quarry and road demolition industries.