As a professional and experienced manufacturer in undercarriages and spareparts, we specia produce rollers for KOMATSU,  SUMITOMO, HITACHI, etc. For excavator, loader, bulldozer and so on. Our main products include various types of track rollers, carriers wheels, guiding wheels, driving wheels, pins, bushings, link bolts and nuts. During the past 12 years, our business has been supported by Chinese domestic distributors and trading companies. Exactly, 80% business comes from domestic distributors in China, and 20% business from trading companies in Chinese mainland and other middlemen. In accordance with our new development strategy - "Face the Global Market", We establish overseas Trade Office is specially set for developing global business. At same time, we attend the well-known Heavy Duty Equipment Exhibitions both home and abroad regularly.Pls browse our website ***** to have more infromation.