- Apr.,1977:Syoichi Toyonaga resigned from the Director & Manager of
Nakamura Engineering, Tokyo Branch and started to import various control
valvesfor soluble oil & water solution from Rexnord Co.,Ltd. U.S.A.and
sold to Japanese major industries. In the same year, successful to sold
various control valves for soluble oil & water solution to be fitted
to 15,000 ton capacity Hydraulic Press Machine made by Ishikawajima-Harima
Heavy Industries Co.,Ltd. to export to U.S.S.R.
- Jun.,1978 : Established Toyo-Sun Machinery Co.,Ltd. with capital Yen 6 millions
at Nihon Bashi, Chuo-ku, Tokyo with Syoichi Toyonaga as President.
In the same year, Toyo-sun was nominated as sole distributor
(or sole agents) in Japan by the Hydraulic Division of Rexnord Co., Ltd.,U.S.A.
- Nov.,1979:Capital increased to Yen 15,800,000.
Supplied seven (7) sets of High Pressure Roll Bending System to
Hot Rolling Mill of Nippon Steel Co., Kimitsu works.
- May.,1983:Started Home make of various control valves for soluble oil &
water solution at the factory located in Chuo-ku, Chiba-shi, Japan.
- Oct.,1984:Developed Roll Coolant System.
- to Supplied Roll Coolant System to following works.
- Dec.,1987:Machine No.l to Nippon Steel Corp, Nagoya works
Machine No.2 to Kawasaki Steel Corp, Mizushima works.
Machine No.3 to Kobe Steel Corp. Ltd, Kakogawa works.
Machine No.4 to Nippon Steel Co., Kimitsu works.
- Jan.,1986:Supplied fourteen (14) Proportional Electro Magnetic Pressure
control valves for Roll Bending Machine to China Steel Corp.
through Hitachi Co.,Ltd.
- Dec.,1987:Supplied one (1) Roll Bending System to Mitsubishi Aluminum Co.,Ltd.
- Jan.,1988:Supplied Roll Coolant System for aluminum Cold Rolling to Furukawa
Electric Co., Ltd., Fukui works through Hitachi Co.,Ltd.
Supplied the same Roll Coolant System to Sky Aluminum Co.,Ltd.
Fukaya works in the next year.
- Jul.,1988:Developed water valves for Nuclear Power Station.
Supplied Channel box reduction system to Fukushima No.2
Nuclear Power Station.
- Jan.,1989:Supplied High Response Roll Bite Lubricating system for F1 to F3
No.2 Hot Rolling Mill, Kawasaki Steel Corp. Chiba works.
- Jun.,1989:Supplied Non-Contact Wiper Seal System to No.2 Tandem Cold Mill
Finish stand, Kawasaki Steel Corp., Chiba works as EXIT side of
cooling water spray system.
- May.,1990:Developed Wiper Seal System of Rolling water subsidized by governmental
R&D of Chiba Prefecture.
- Mar.,1991:Supplied High Response Roll Bite Lubricating System to F4 through
F6 delivery sides No.2 Hot Rooling Mill, Kawasaki Steel Corp.,Chiba
works.
- Jun.,1991:Supplied twelve (12) sets Roll Coolant system to Sumitomo Light
Metal Industries Ltd. Nagoya works through Kawasaki Heavy
Industries Ltd., Kobe works.
- Dec.,1994:Capital increased to Yen 20,400,000
- Oct.,1994 : Supplied Water Spray Equipment for Co-Generating System to Toyota
Motor Corp.,Takaoka works,though Hitachi corp..
- Dec.,1994:Supplied ten (10) sets of Roll Bite Lubricating System
( rough & finish ) to No.3 Hot Rolling Mill, Kawasaki Steel Corp.,
Chiba works through Mitsubishi Heavy Industries Ltd., Hiroshima works.
- May.,1995:Supplied one (1) set Roll Bite Lubricating System for Mini-Mill
to Posco, Kwangyang works through Mitsubishi Heavy Industries Ltd.,Hiroshima works.
- Jun.,1995:Supplied five(5)sets Roll Coolant Zone control System for 2-3
stand of Hot Rolling Mill to Nippon Steel Corp.,Hirohata works
through Mitsubishi Heavy Industries, Hiroshima works.
- Jun.,1995:Supplied six hundred thirty(630)Roll Coolant valves for Hot
- to Rolling Mill to Furukawa electric Co., Ltd. Fukui works.
- Jul.,1995:Supplied one(1)set Roll Coolant System, top & bottom &
five (5) sets of Palm Header System for Cold Rolling Mill to Ton-Yi (Taiwan)
through Mitsubishi Heavy Industries Ltd., Hiroshima works.
- Dec.,1995:Supplied one(1)set Hydraulic Water Scale Remover System for pipe
interior to Nippon Kokan KK ( NKK ) Keihin works.
- Dec.,1995:Supplied one(1)set CR Roll Coolant System to Mitsubishi Aluminum Co., Ltd. Fuji works.
- Feb.,1996:Supplied one(1)set Wiper Seal System to F4 stand Nippon Steel Co.Kimitsu works.
- Aug.,1996:Supplied two(2)sets Wiper Seal System to POSCO, Korea.
- Nov.,1996:Supplied one(1)set each Roll Bite Lubricating System & Wiper
Seal System for roughing mill to POSCO, Korea.
- Nov.,1996:Supplied seven(7)sets of Roll Coolant System for F0 to Furukawa
Electric Co.,Ltd. Fukui works through Ishikawajima Harima Heavy
Industries.,Yokohama works.
- Feb.,1997:Supplied two(2)sets of Digital Roll Coolant Headers for F4 &
F5 Hot Rolling Mill to Nippon Steel Corp.,
Hirohata works through Mitsubishi Heavy Industries, Hiroshima works
- Mar.,1997:The principal office & factory move into present address.
- Mar.,1997:Supplied one(1)set each Cold Rolling Mill Coolant system &
Non-contact Wiper Seal System to Krakatau Steel, Indonesia.
- Mar.,1997:Supplied five(5)sets Roll Bite Lubricating System for F1 to F3
( 5 stands )to Sumitomo Metal Industries, Ltd., Wakayama works.
- May.,1997:Supplied one(1)set Wiper Seal System to Nippon Kokan KK (NKK) Keihin works.
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