Profile and History
Gonda Metal Industry Co., Ltd.
Head Office and Factory
1-1-16, Miyashimo, Chuo-ku, Sagamihara, Kanagawa
+81-42-700-0220 / +81-42-700-0660
Gonda, Gentaro President
Manufacturing and sales of copper busbar, copper/brass round rod, copper anode for plating, die forgings, copper coil materials, high purity non-oxygen copper, special alloy rotor bar, copper/ aluminum/stainless steel rings/plates, magnesium alloy sheet AZ61, Real estate leasing
Number of employees
Pan Pacific Copper Co., Ltd., Toyota Tsusho Corporation, Toshiba Corporation, Mitsubishi Electric Corporation, Nikon Corporation, Hakudo Corporation, Sato Metal Trading Co., Ltd. and 200 other users, and wrought copper and copper alloy wholesalers
Gonda Un･yu Co., Ltd.：Transportation of company products and
management of the golf driving range "Ball Park"
Sagami Metal Co., Ltd.：Wholesaler of raw materials for company use
Yokohama Shindo Co., Ltd.：Sales of wrought copper, copper
alloy products, alminum products and etc.
Reorganized into Gonda Shindosho Co., Ltd.
Start of Copper Melting
Moved melting and hot rolling plants to the present premises in Sagamihara
Moved the headoffice and product plant in Sagamihara, to form a new headoffice and factory.
Headoffice and factory：1-1-16, Miyashimo, Chuo-ku,
Sagamihara, Kanagawa, 229-1112 Japan
(Site area：approx.33,000 square meters)
(Built a building for rent in the former premises in Nishi-ku, Yokohama. The present tennant is The Daiei, Inc.)
Built a forging and pressing plants for the enlargement of the company business
Inauguration of the third President, Gonda, Gentaro(present President)
Built a new rolling plant for the modernization of the former plant, installed a computer controlled rolling machine
Obtained JIS indication permission for copper busbar, copper round rod and free-cutting brass round rod
Opened "Ball Park", a golf driving range, in the adjacent space
Obtained ISO 9002 certification, registration Number 0467
Start of mass production for Stainless Rings
Obtained a patent for "METHOD AND APPARATUS PRODUCING THIN MAGNESIUM BASED ALLOY PLATE " JAPAN：P3503898
Obtained NEW JIS certification following a revision of JIS
Certificate number QA0307044
Selected as one of “300 of Japan’s Dynamic MONODZUKURI (Manufacturing) Small and Medium Enterprises”
In June, 2008, Gonda Metal was selected as one of "300 of Japan's Dynamic MONODZUKURI(Manufacturing) Small and Medium Enterprises" by the Small and Medium Enterprise Agency of Ministry of Economy, Trade and Industry, and was commended by the minister of METI as a result of the high evaluation on the manufacturing of the precise copper ring(over 60% of the domestic share) used for an industrial motor and the development of mass production for the thin sheet of magnesium alloy AZ61.
Purchased the adjacent land of approx. 4950 ㎡ including build-
ings and named as a Second Factory
Celebrated its 100th anniversary!
Received "Japan Copper Development Association Award"
by contributing to promote the copper demand by
manufacturing and selling Motor End Rings