冶金业

Ahresty CorporationNippon Light Metal Co., Ltd.Asahi Kinzoku Kogyo Co., Ltd.Nippon Mining & Metals Co., Ltd.Benkan CorporationNippon Steel Welding Products & Engineering Co.Chuo Spring Co., Ltd.Nishi Nippon Electric Wire & Cable Co., Ltd.Daiki Aluminium Industry Co., Ltd.Nuclear Fuel Industries, Ltd.Dowa Ironpowder Co., Ltd.Occ CorporationDowa Mining Co., Ltd.Piolax, Inc.Fujikura Ltd.Ryobi Ltd.Furukawa Electric Co., Ltd.Sanwa Shutter CorporationGifu Seiki Kogyo K. K.Se CorporationHitachi Powdered MetalShibazakj Seisakusho, Ltd.Horie Metal Co.,Ltd.Shin-Etsu Handotai Co., Ltd.Japan Crown Cork Co., Ltd.Showa Aluminum CorporationJapan Nuclear Fuel LimitedShowa Electric Wire & CableJone Crane Japan, Inc.Sumitomo Electric IndustriesKanematsu Metals Ltd.Sumitomo Light Metal Industries, Ltd.Kdk CorporationSumjtomo Metal Mining Co.Kikuchi Co., Ltd.Sumitomo Sitix CorporationKobe Steel, Ltd.Suncall CorporationKomatsu Electronics MetalsSuzukj Metal Industry Co., Ltd.Marubeni Metal CorporationTanaka Kjkinzoku KougyoMeira CorporationToho Titanium Co., Ltd.Mitsubishi Cable Industries, Ltd.Tokusen Kogyo Co., Ltd.Mitsubishi Materials Corp.Tokyo Tungsten Co., Ltd.Mitsubishi Materials Silicon CorporationTostem CorporationMitsubishi Shindoh Co., Ltd.Totoku Electric Co., Ltd.Mitsui Aluminium Company, Ltd.Toyama Light Metal Industry Company, Ltd.Mitsui Mining & Smelting Co.Toyo Aluminium K.K.Nakashima Propeller Co., Ltd.Toyo Seikan Kaisha，Ltd.Nasu Denkj-Tekko Co., Ltd.Tyton Company Of Japan, LimitedNHK Spring Co., Ltd.Yokohama Hydex Co.