We, Xi’an Tendtool Machinery Co.,Ltd, are the manufacturer which is specialized in the engine rebuilding equipments. .After the introduction and absorption of foreign advanced technology, presently. We mainly produce these equipments: Multiple functional & Double air float Valve Seat Cutting Machine TX90, High Precision Valve Refacer TVG90, Pressure Cylinder Head Test TPT 1600 and Universal Workstation TWS1100