JSB is a professional heavy equipment parts manufacturer, which specializes in casting, forging, machining operations and heat treatment. Its main products include Carrier Roller, Track Roller, Idler, Sprocket, Segment, Track Link, Track Shoe, Recoil Spring, Bucket Teeth, and Adaptor.

The factory is based in Fujian Yongchun – China, and it produces and also customizes undercarriage and ground engaging tool replacement parts for major brands of bulldozers, excavators, loaders and cranes such as CATERPILLAR, CASE, DOOSAN, HITACHI, HYUNDAI, JCB, JOHN DEERE, KOMATSU, KOBELCO, SUMITOMO, SAMSUNG, and VOLVO.

Product quality is JSB first priority and our products meet the highest international standard requirements set forth by equipment makers. Moreover, it constantly drives us to be better and gives us the competitive edge over our counterparts. Because of quality, we gain reliability and it sustains the consistency and reputation for our products and services. More importantly, we create true value for money to our customers.