Detailed Product Description We machining washers, gaskets, seals, made of copper, steel, teflon, plastic, etc,according to supplied drawings or samples, by auto lathing machine.ISO9001:2000 certificated. Welcome the inquiries from all over the world.Fuzhou Kaisheng Precision Machinery Co., Ltd.Contact: ConnieTel:86-591-83833965Fax:86-591-83833905