... offered 4.low price stainless steel round grooved flange with threaded holes for heavy machinery steel round flange for heavy ... platingcircle flange for heavy machinery can be used in petroleum ,water, gas and other fields. who we are ?Jiangyin ... order.processing capability:casting,turning ,milling,CNC and CNM machining,grinding ,threading,polishing ,plating ,acid treatment.standards:ASME,ANSI, ...