Winnac was merged with Acronainen Co., Ltd. on December 16, 2021.
Company profile
Company name Winnac Co., Ltd. td>
Established August 23, 1994
Capital 80 million yen
Employees 48 people (including 7 people with disabilities)
Location 〒641-0062
2017-3 Saikazaki, Wakayama City
Officers Chairman and Representative Director Keiichi Katsumoto
Yoshio Nishi, President and CEO
Director Masato Katsumoto
Audit & Supervisory Board Member Yoshihiro Ushio
As of May 6, 3rd year of Reiwa
Site 3,840㎡
Building 3,109㎡
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Company history
Wakayama Prefecture Commerce, Industry and Labor Department Employment Security Division and Association for Employment Promotion of Persons with Disabilities, etc. request to establish a company with a large number of persons with severe disabilities
August 23, 1994
Established Winnac Co., Ltd.
Established a corporation by the third sector method
Headquarters is located in Wakayama Internal Combustion Engine Co., Ltd.
Capital 50 million yen
Wakayama Prefecture 20 million yen (40%)
Wakayama City 4.5 million yen (9%)
Wakayama Internal Combustion Engine Co., Ltd. 25.5 million yen (51%)
Recruitment and training for employees (disabled people)
Decided a factory site at 2017-3, Saikazaki, Wakayama City (prefectural company site). Factory construction work started.
March 12, 1996
Factory completed

Start of operation ・ Move the head office to the factory
■ Number of employees
33 people, 17 people with disabilities (all severe)
■ Business content
Gravity casting
FC pulley processing
Mold production
Food packaging
April 1999
Toner recycling business started
Started contract production of plugs for model airplanes
Die casting business started
March 2005
End of food packaging business
November 4, 2009
Winworks Co., Ltd. established
May 2011
Increased capital to 80 million yen
March 22, 2013
Ministry of Economy, Trade and Industry 100 Diversity Management Companies Award
June 3rd year of Reiwa
Acquisition of all shares of Acronainen Co., Ltd.
October 3rd year of Reiwa
Transferred the toner recycling business to Winworks, a general incorporated association
December 16, 3rd year of Reiwa
Merged with Acronainen Co., Ltd. and disappeared
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Main equipment
■ Mold design
Business content Main equipment Quantity
Die casting mold design CADCAM system 3
Gravity mold design Auto CAD 3
Plastic mold design

■ Mold making
Business content Main equipment Quantity
Die casting mold manufacturing Machining center 4
Gravity mold manufacturing EDM 2
Plastic mold manufacturing Wire cutting machine 1
Surface grinding machine 1
NC milling machine 1
Universal tool grinding machine 1
Radial pole board 1
Traveling crane 1
Inversion / Press 1
General-purpose lathe 1
Argon Welder 1
Spark Depot 1

■ Casting
Business content Main equipment Quantity
Aluminum die casting and Double piston casting machine 2
Gravity casting Rotary connecting rod casting machine 2
Pistons, connecting rods, etc. Vertical connecting rod casting machine 1
Engine parts and their Collection and melting furnace 1
Manufacture of other machine parts 350 ton die casting machine 1
250 ton die casting machine 2
125 ton die casting machine 1
80 ton die casting machine 1
Heat treatment machine 2
Melting furnace 13
Gate cutting machine 5
Press machine 4
Shot Blast 1
General-purpose lathe 1
Compressor 3

■ Processing
Business content Main equipment Quantity
Various machines using NC lathes, etc. Tapping center 1
Parts processing, various metal parts NC lathe 6
Deburring and buffing NC milling machine 1
Buffing machine 5
Dust collector 1
Cleaner 3
Bead processing machine 1
Tapping machine 5
Heat treatment machine 2
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