Longjia produces the complete set of bulldozer and excavator spare parts, including track chain, track Shoe, track roller, carrier roller, idler, sprocket, recoil spring, bucket tooth/adapter, blade etc. Our products are suitable for CATERPILLAR, KOMATSU, HITACHI,DAEWOO,VOLVO and other world famous construction machinery brands. Relying on the 30-year manufacturing experience, our products have won the good reputation all over the world by our high quality and good services.Innovation for development, by the good faith to beat the market, increasing investment in science and technology. In order to ensure excellent product quality and competitive advantage in price, Longjia Machinery keeps innovating and improving its quality from raw materials to production, technology and management. Our products are the favorites to Chinese customer and sell all around the world which are deeply favored by the majority of customers.