Jining City, three Construction Machinery Co., Ltd. specializing in the production of the pin and bushing, Komatsu excavator genuine parts, the main components: maintenance parts, engine parts, chassis parts, Komatsu excavator for oil ... Our products have passed ISO9001: 2000 majority of customers of all ages. Another company with a strong maintenance team, finishing excavator carrier aircraft, bulldozers. Assure you that 14 years credibility accessories guaranteed quality, price advantage, welcome new and old customers call us