Main business partners
Relationship of mutual TRUST supports Yamada Sangyo as the basis.
■suppliers
Acids Co., Ltd．
Ishihara Techno Corp.
Ube Material Industries, Ltd.
Omi Mining Co., Ltd.
Kashima Kita Kyodo Hatsuden K.K.
Kashima Minami Kyodo Hatsuden K.K.
Calfine Co., Ltd.
JFE Mineral Company Ltd.
Kanden Power-Tech Corp.
Kyushu Chemical Industry Co., Ltd.
Kyushu Oil Co., Ltd.
Kyuden Sangyo Co., Inc.
Kyoei Kasei Industries Ltd.
Kuraray Co., Ltd.
Kuraray Co., Ltd.
Kurimoto Enviro Co., Ltd.
Kowa Seiko Co., Ltd.
Sakai Chemical Industry Co., Ltd.
Shimonoseki Mitsui Chemicals, Inc.
Showa Kako Corporation.
Shiraishi Kogyo Kaisha, Ltd.
Shinko Slag Co., Ltd.
Nippon Steel Corporation
Stella Chemifa Corporation
Sumikin Koka Co., Ltd.
Sumitomo Corporation
Central Glass Co., Ltd.
Chuden Kankyo Technos Co., Ltd.
Chuden Kankyo Technos Co., Ltd.
DS Salt Co., Ltd.
Tayca Corporation
Teijin Limited
EPDC Coal Tech and Marine
Tosoh Silica Corporation
Tohpe Corporation
Toho Zinc Co., Ltd.
Tohoku Tosoh Co., Ltd.
Nisshin Steel Co., Ltd.
Nippon Mesalite Industry Co., Ltd.
Pan Pacific Copper Co., Ltd.
Fuji Titanium Industry Co., Ltd.
Furukawa Co., Ltd.
Fuwa Metal Co., Ltd.
Fuwa Metal Co., Ltd.
Miike Karyoku Hatsuden K.K.
Mitsui Mining & Smelting Co., Ltd
Mitsui Mining Co., Ltd.
Mitsui & Co., Ltd.
Mitsubishi Kagaku Media Co.,Ltd.
Mitsubishi Corporation
Mitsubishi Materials
Energy Corporation
Morita Chemical Industries Co., Ltd.
Yoshino Gypsum Hanbai Co., Ltd.
Yonden Business Co., Inc.
■users
Asahi Industries Co., Ltd.
Lafarge Aso Cement Co., Ltd.
Ishida Co., Ltd.
Ichihara Eco-cement Company
Ube Industries, Ltd.
Ube Material Industries, Ltd.
Ube-Mitsubishi CementCorporation
A&A Material Corporation
Katakura Chikkarin Co., Ltd.
Kawai Lime Industry Co., Ltd.
Konoshima Chemicals, Inc.
Co-op Chemical Co., Ltd.
Konishiyasu Co., Ltd.
Sankei Gypsum K.K.
Sanno ceramics K.K.
Japan Pile Corporation
Japan Pile Corporation
Kyoka Yoshino Gypsum Co., Ltd.
Shinsei Funen Board K.K.
Nippon Steel Esment Kanto Corporation
Nippon Steel Blast-Furnace Slag Cement Co., Ltd.
Nippon Steel Blast-Furnace Slag Cement Co., Ltd.
Sumitomo Osaka Cement Co., Ltd.
Sumitomo Metal Industries, Ltd.
Sumitomo Metal Mining Co., Ltd.
Sumitomo Shoji Chemicals Co., Ltd.
Daicel Aboshi Sangyo Co., Ltd.
Taiheiyo Cement Corporation
Taki Corporation
Chichibu Lime Industry Co., Ltd.
Chichibu Lime Industry Co., Ltd.
Chiba Riverment and Cement Corp.
DC Co., Ltd.
Denki Kagaku Kogyo
Kabushiki Kaisha Chiyoda Ute Co., Ltd.
Telnite Co., Ltd.
Tokuyama Corporation
K.K. Tokura
Nagoya Esment K.K.
Nittetsu Mining Co., Ltd.
Nippo Corporation Nihon Boka Lite Kogyo K.K.
Noritake Co., Limited
HAGIHARA & Co., Ltd.
Futase Yougyou Co., Ltd.
Maruai-Lime Corporation
Marukome Co., Ltd.
Mitsui Mining Cement Ltd.
Mitsui & Co., Ltd.
Mitsubishi Corporation
Mitsubishi Materials Corporation
Murakashi Lime Industry Co., Ltd.
Yoshino Gypsum Co., Ltd.
Ryoko Lime Industry Co., Ltd.
Wakayama Blast-Furnace Slag Cement Co., Ltd.