... ,Material: Stainless Steel, aluminium,copper,brass,etc3,Production :Technology: Stamping,CNC Machining,Polishing,Die-casting,Welding,Rolling4,Precision: scope(min): + -0.01mm5 ... ,Port: Tianjin XinGang ,China7,Standard: according to the GB standard8,Target Market: US, Japan, India, Middle east, Africa, America, etc. machining screw part