Deep in the cold extrusion process, I have a unique processing plant means, the use of innovative technology to solve technical challenges, in particular the stainless steel sensor housing drawing long, multi-filter process of drawing a rectangular shell, multi-process electromagnetic relay case, other manufacturers can not overcome the difficulties, in order to achieve the appearance of customer quality requirements, our factory is equipped with a specialized nickel plating shop, professional for their own power supply filter shell plating, the quality of products in full compliance with environmental requirements (SGS certification), customers can be achieved so the requirements of salt spray test (12 ~ 24 hours).