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STEEL MAKING FLOW AT JONAN STEEL
ABOUT US
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ABOUT US
Corporate outline
Company name Jonan Steel Corporation
Representative President Shigeki Kishida
Capital ¥100,000,000
Date established March 1955
Address 〒332 - 0004
13-35, 5-chome, Ryoke, Kawaguchi city, Saitama Prefecture
 
Major clients (alphabetical order)
●Hanwa Co., LTD.
●JFE Shoji Trade Corporation
●Kanematsu Trading Corporation
●Marubeni-Itochu Techno Steel Inc.
●Metal One Corporation
●MITSUI & CO., LTD.
●Nippon Steel Trading Co.,Ltd.
●OKAYA & CO., LTD.
●Toyota Tsusho Corporation
Please don't hesitate to contact following agents if any inquiries.
History
March 1955 Kenji Kakihara, the current chairman, established Jonan Steel Shokai in Omori-kita, Ota-ku, Tokyo, to sell steel materials as a private management company.
December 1967 Jonan Steel Mill Corporation purchased land at 5-13-35 Ryoke, Kawaguchi city, and started to construct a new rolling plant as a first phase of new mill constraction.
November 1969 The company built a steel making plant as second phase of the construction. This plant started production with a 20-ton electric furnace. The continuous production system from the steel-making process to the rolling process was started. Capital was increased to ¥48 million with investment by Tokyo Small and Medium Business Investment & Consultation Co., Ltd.
November 1971 Authorized to place Japan Industrial Standard (JIS) indication on reinforcing bar steel.
June 1972 Continuous casting machine was installed.
August 1973 The 20-ton electric furnace in the steel-making plant was replaced by a 40-ton electric furnace, Rationalization of the rolling line was done. Which cabled 15,000 tons of production monthly.
December 1982 The steel making mill and the rolling mill achieved monthly production of 25,000 tons each.
November 1988 Rolling line and accuracy adjustment line were replaced by new lines. Both the steel-making mill and the rolling mill established 40,000-ton production systems.
September 1989 The continuous casting machine in the steel-making plant was replaced by a new machine.
January 1994 The finishing rolling machine in the rolling plant was replaced by a block mill.
January 1997 The oxygen generator was replaced by a new one. The intermediate mill in the rolling plant was replaced by a block mill.
December 1999 The plants achieved conformity with ISO 9001:1994 quality system examination, and were certified and registered.
March 2001 The Purchasing Department purchased a iron scrap radioactive ray detection monitor.
December 2004 The motors of the building dust collectors were changed to inverter-controlled motors to achieve energy saving.
May 2005 The motors of the direct-suction dust collectors were changed to inverter-controlled motors to achieve energy saving.
April 2009 Authorized to place Korean Industrial Standards (KS) indication on reinforcing bar steel. (KS D 3504)
December 2009 The plants achieved conformity with ISO 9001:2008 quality system examination, and were certified and registered.