... CHONGQING JINTERUI MACHINE CO.,LTD www.jtrmachine.com CHONGQING JINTERUI MACHINE is specializing in aluminum alloy die ... making. Precision CNC Machining Parts Material Aluminum, Steel, Stainless steel, Aluminum alloy,Brass, etc.Surface TreatmentPolishing, Powder ... Machinesd) Punching Machinese) Precision Cutting Machinesf)CNC Bending MachinePreferred FormatsJPEG,PNG,PDF,CAD,IGS,UG,SolidworkPreferred ...