... quality,best price & quick delivery Item namePrecision Machining PartCompany profile We are one of leading ISO ... , punching, grinding, welding ,CNC machining service in china.Our products vary form precise automotive industries,home appliances, office appliances ... turning, milling, drilling, planning, grinding, welding ,CNC machining service2.Material: Carbon Steel,Free cutting steel(12L14, 12L15, ...