This Sleeve is a part used for the injector. We are devising a hole diameter processing to maintain hole diameter tolerance or surface roughness standard as well. In final finishing processing of hole diameter, we use very special tool in separate process, we deliver and maintain the stable quality for the hole diameter and surface roughness standard satisfaction.
This product is an automobile exhaust system part called BUSHIN VALVE. For SUS material, we use Indian material and we are processing finished products by CNC automatic lathes. The inner diameter also is not of grinding finishing, we maintain precision by cutting processing.