ChangJia specializes in manufacturing interchangeable aftermarket agricultural spare parts compatible with John Deere series farm equipment, covering JD tractors, combine harvesters, cotton pickers and other large harvesting machinery. The product range covers core wearing parts and structural components, including ductile iron casting brackets, high-strength forged drive shafts, complete transmission gear sets, hydraulic quick connectors, stamped welded structural frames and agricultural electrical casting housings.

All John Deere agricultural replacement parts are strictly produced in accordance with OEM size standards, with stable material performance, strong wear resistance and long service life to adapt to high-load and harsh field working environments.

We accept non-standard customized production based on customers' drawings, samples or OE part numbers, serving agricultural machinery dealers, repair shops and large farms globally. For bulk wholesale orders, we provide stable delivery cycle and professional after-sales technical support.