Xi’an Ze Cheng Import & Export Co., Ltd. is a business car train parts and other mechanical accessories; To cast iron parts, steel casting forging product based trading company. We have professional production equipment state-of-the-art testing equipment, to ensure the quality ...

Tianjin Xuruishenghui Co.,ltd is one of trading company in Tianjin. We deal in roller chain and sprocket, gear and rack, pulley with many material. Meanwhile, we sell linear guide and block ,ball screw and bearing for many years.