Koyo Sangyo Co., Ltd. Company Profile

Turning thoughts into shape. We take pride in our flexible, idea-filled, and meticulous work.

Koyo Sangyo Co., Ltd. is a comprehensive company based in the Tokai region, focusing on metal processing and involved in planning, design, manufacturing, sales, construction, and maintenance related to building construction, civil engineering, and exterior work. Although we call ourselves a comprehensive company, we are a small business. However, we take pride in our nimble operations and meticulous work filled with ideas. We also cater to global import and export needs and engage in casting. We always carry the joy and greatness of manufacturing in our hearts and strive to help everyone bring their ideas to life. 【Product Line】 ■ Stainless steel and steel grating and related products ■ Aluminum handrails, coping, and handrails with coping ■ Roof drains and manholes ■ Expansion joints ■ Skirting boards ■ Ladders ■ Nameplates ■ Stainless steel, steel, and aluminum fabricated products ■ Tokyo Fire Department designated contractor ■ Concrete secondary related products ■ Formwork ■ Rubber and hardware *For more details, please refer to the PDF materials or feel free to contact us.

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