1963年

Foundation of Saneikousan. Handled the design, production and sale of various types of industrial furnaces.

1964年

Developed the multitubular contact ammonia cracking furnace.

1969年

Developed the conveyer-type continuous heat treatment furnace and heating furnace.

1971年

Changed the company name to Furnace Juko Co., Ltd..

1972年

Relocated head office to Yoshikawa City and built a new plant.

1975年

Developed a rotary heating furnace, ROTAVECT R type

1978年

Developed a rotary heating furnace, the ROTAVECT DHF type

1985年

Developed a fully-automatic material feeding system, the Rabbit Feeder

1988年

Built the second plant in Yoshikawa City (Headquarters)

1988年

Offered expertise to Chugai Ro Co., Ltd.

1989年

Offered expertise to KUMWON Co.,LTD. in Korea

1990年

Won a Prize in the Invention Competition of the Institute of Invention and Innovation for nitrocarburizing and oxygen-free furnaces

1993年

Tokyo Small and Medium Business Investment & Consultation Co., Ltd. Capital participation

1994年

Established Furnace Ecology Co., Ltd.
Built a new plant and new office (Takeda City of Oita Prefecture)

1999年

Offered expertise to Furnace Korea
Developed an automatic forging heating line of compressor parts for car air-conditioners
(aluminum forging product) (2-second cycle time)
Developed a continuous heat treatment facility for car air-conditioner compressor parts
(aluminum forging product)

2000年

Developed an induction heater billet preheating furnace system
(NEDO Facility for rational energy use)

2001年

Developed a new type of aluminum heat treatment furnace Featured in the Nikkei Sangyo Shimbun and Nikkan Kogyo Shimbun.

2002年

Received a patent for a fast heatup furnace
Won the Small and Medium Enterprise Excellent Technology and Small and Medium
Enterprise Agency Awards for Excellence Developed an aluminum wheel fully-automatic heat treatment facility

2006年

Merged with Furnace Ecology Co., Ltd.
Renamed Oita Plant of Furnace Juko Co., Ltd.

2009年

Received a patent for a circulating hot air oven (heat treatment furnace)

2011年

Developed an automated heat treatment facility for a set of two aluminum wheels

2012年

Developed an automated heat treatment facility for a set of four aluminum wheels

2017年

Kyushu factory No. 2 factory completed
Exhibited at "Thermotech 2017 7 th International Industrial Furnace · Related Equipment Exhibition"

2023年

Offered expertise to PT.TRIMITRA INTIGRAHA PRATAMA in Indonesia