We specialize in producing QUANSEN bucket pin,high-strength bucket bush,bushing,track bush, track pin,horse praction head,bucket ear,high strength bolt&nut, track roller, idler roller, carrier roller, sprocket, and various parts that are easily spoiled at the bottom of different kinds of excavator and bulldozer part.Every product should be strictly tested and checked before leaving the factory. The products are sold to all parts of the country and we have our own agent in different country,such as the southeast Asia,Africa,Mid east,Eastern Asia and some other agents in the domestic market and the most important is that we get the user's unanimous favorable comments.