Founded in 2012 Steel Factory is Growing Up as One of the Most Professional Construction Machinery Spare Parts Supplier in China. We have More than 15 Years of Experience in the Production and R&D of Excavator Parts. We are Mainly Supplying for Excavator brand Such as: Caterpillar, Komatsu, Volvo, Hitachi, Lieberherr, Cummins, Hyundai, Kobelco. Our Main production is for Final drive, Travel motor, Hydraulic pump, Swing motor, Engine assembly and Engine parts. Experienced Enginners helping Your Proper parts Choosing and Correct parts Supplying.Experienced Designers OEM/ODM your Request.Good Enging Speaking staff to make easy Communicating with you.Our Principle: Original Parts making Succeed, Professional Service is Saving Money.Provide High Quality Products, Superior Prices and Professional Services to Meet Customer needs and be Come long term Partners.