* Many specifications: M2,N2.5,M3,,M4,,M5,,M6,M8,etc * Grade A level , Factory Price, exported to the United States and Germany.* Pass many certifications DIN,ISO,BS,ANSI,JIS* Material:stainless steel 201, 202,301,304,307,316,400 ,667 and carbon steel, etc.* Equipment: Full automatic high speed precision lathe Craft..