I. Stainless steel plumbing

Stainless steel plumbing

Welded pipeNIPPON STEEL STAINLESS STEEL PIPE Co., Ltd.  TOKUSHUKOKAN Co., Ltd.  STAINLESS PIPE KOGYO Co.,Ltd.  MORY INDUSTRIES INC. DAIICHI STAINLESS KOKAN Co., Ltd.
Seamless tubeMARUICHI STAINLESS TUBE CO., LTD. NIPPON STEEL CORPORATION Sanyo Special Steel Co., Ltd. Brasimet Industries Corporation. Kuze Bellows Kogyosho co.,ltd.
Fitting flange INOC Corporation  MIE Techno.Co.,Ltd. BENKAN KIKOH Corporation The Nippon Joint, Ltd. FUJI SPECIAL INC Shibuya Seisakusyo Co., Ltd.
Sanitary equipment fittingsKYOWA STAINLESS CO., LTD.  Osaka Sanitary Co., Ltd. NISSHO ASTEC CO., LTD.

II. Stainless steel material

Stainless steel material

Steel plate NIPPON STEEL Stainless Steel Corporation JFE Steel Corporation. Nippon Yakin Kogyo Co., Ltd. Outokumpu Oyj
Shaped steel building materialsAICHI STEEL CORPORATION. NIPPON STEEL CORPORATION MORY INDUSTRIES INC. Daido Steel Co., Ltd. JFE Metal Products Corporation ARAYA INDUSTRIAL CO.,LTD.