... longer service life 3.OEM,ODM offered 4.low price nickel plating steel round grooved base plate for machinery steel round plate ... ,turning ,milling,CNC and CNM machining,grinding ,threading,polishing ,plating ,acid treatment. standards:ASME,ANSI,API,JIS,JPI,BS,AS ... (Foreign ) GB ,JB,HG,SH(China) we produce and process according to the drawings ,detail specifications , technology or samples offered ...