Company overview

Mitoyo-seiko co., ltd. Gunma factory

三豊精工株式会社 群馬工場

We have manufacturing facilities such as lathe machines, grinding machines, and assemble equipment. We have been producing 1,000 unit compressors per month by integrated processing system. In addition, we can provide large machining components.

〒377-0802 1188, Kawado, Higashiagatsuma-cho, Agatsuma-district, Gunma prefecture
TEL : +81-279-70-2233  FAX : +81-279-70-2234

NC切削加工

NC machining

NC切削加工(横軸)

NC machining(Horizontal type)

NC切削加工(縦軸)

NC machining(Vertical type)

フライス専用設備

Milling facilities

研削専用設備

Grinding facilities

3次元測定機

Three-dimensional measuring machine

Mitoyo-seiko co., ltd. Matsumoto office

三豊精工株式会社 松本営業所

Nagano is said to be "Switzerland in the East" for a long time because it is the place of scenic beauty and precision parts processing was prospered. Nagano prefecture aims to "Nagano in the world" now. We are also aiming to contribute to Nagano with local precision processing and IT concerned customers.

〒399-0027 1-34-3, Kotobukiminami, Matsumoto-city, Nagano prefecture
TEL: +81-263-85-0551 FAX: +81-263-86-8551

Mitoyo-seiko co., ltd. Fukushima office

三豊精工株式会社 福島事務所

We have electrostatic powders coating line which is possible to coat up to 4 m size work piece and NC forming machine which is possible to machine from φ 3.5 to φ 8mm. And there are other advanced facilities such as fluidized bed coating equipment.

〒964-0315 215-1, Nakai, Narita Aza, Nihonmatsu-city, Fukushima prefecture
TEL: +81-243-55-3123 FAX: +81-243-55-3275

Group companies

JC co.,ltd

ジェーシー株式会社 〒192-0045 2-21-8, Owadamachi, Hachioji-city, Tokyo
TEL:+81-242-55-3123
FAX:+81-243-55-3275
Capital 10 million yen
Directors Representative director: Satoshi Taira
Executive director: Masaru Taira
Director: Masahide Kondo
Establishment July 1, 1989
Line of business
  • Trading
  • Resin molded parts
  • Die-casting parts
  • Dies
  • Electrical component
  • Machining, Cold forging
  • Hot forging, press
  • Industrial equipment (design, production, and installation)
  • Selling toys, gift items (plan, production, import)
  • Recycled resources components (develop, production, and installation)
  • Others
Main customers
  • Kiiya Co., Ltd.
  • SPC ELECTRONICS CORPORATION
  • Showa Aircraft Industry Co., Ltd.
  • Tachi-S Co., Ltd.
  • Railway Technical Research. Institute.
  • Denko Co., Ltd.
  • TOSHIBA trading Co., Ltd.
  • Japan Radio Co., Ltd.
  • JCH LIMITED 
The number of employees 10 people
Bankers Mizuho Bank Hachioji Branch
The Tama Shinkin Bank head office

JCH LIMITED

JCH LIMITED
Head office

1314BUnit 1314B,13/F, Lippo Sun Plaza,No.28 Canton Road, Tsimshatsui, Kowloon, Hong Kong
TEL:85(2)-2314-9399(代)
FAX:85(2)-2375-3072

Tokyo office

〒192-0045 2-21-8, Owadamachi, Hachioji-city, Tokyo
TEL:042-648-1197
FAX:042-643-0017

Shenzhen office

18H, Shen gang hao yuan ming shang ge, Bao an south rd, Luo fu district, Shenzhen city
TEL:86(0)755-2585-7913
FAX:86(0)755-2585-7402

Capital HK$ 210,000.00 
Directors Representative director: Satoshi Taira
Executive director: Masaru Taira
Director: Masahide Kondo
Establishment June, 30, 2004
Line of business
  • Trading
  • Resin molded parts
  • Die-casting parts
  • Press sheet metal parts
  • Dies
  • Electrical component
  • Others
Main customers
  • FENWAL Control s of Japan(H.K.) Limited
  • HIROSE ELECTRIC HONGKONG TRADING CO., LTD TECHCIOUS CO., LTD
  • Toshiba Information Equ ipment (Hangzhou) Co., Ltd
  • Toshiba Information Equipment (Philippines), Inc.
  • Toshiba International Procurement Hong Kong Co., Ltd.
  • JC co.,ltd
  • Others
The number og employees 10 people
Banker Mizuho Corporate Bank Hong Kong Branch

Shenzhen trading co.,ltd

p shinsen
Head office

18H, Shen gang hao yuan ming shang ge, Bao an south rd, Luo fu district, Shenzhen city
TEL:86(0)755-2585-7913
FAX:86(0)755-2585-7402

Hong Kong office

Room 1312, 13F, Ocean center, Harbour city,  Tsim Sha Tsui, kowloon Hong Kong
TEL:85 (2)-2314-9399 (代)
FAX:85 (2)-2375-3072

Tokyo office

〒192-0045 2-21-8, Owadamachi, Hachioji-city, Tokyo
TEL:042-648-1197
FAX:042-643-0017

Capital US $165,000.00 
Directors Representative director: Satoshi Taira
Executive director: Masaru Taira
Director: Masahide Kondo
Establishment April 20, 2006
Line of business
  • Various assembly (sub assembly)
  • Screw parts
  • Machining, cold forging, hot forging, pressing
  • Parts processing by resin molding
  • Trading
Main customers
  • Dongguan Nifco co.,ltd
  • Toshiba information equipment (Hangzhou) co.,ltd
  • TACLE Guangzhou Automotive Seat Co., Ltd
  • Guangzhou Panyu Sumida Kou Shui Heng Electric Factory
  • Tachi-S Guangzhou Co., Ltd
  • TACHI-S Trim Wuhan Co., Ltd
  • Zhenzhou Taixin interia Co.,Ltd
  • Others
The number of employees 10 people
Banker Mizuho Corporate Bank Shenzhen Branch

Shanghai office

上海事務所 Room 502, no,60, Ai bo jia yuan wu cun, no 4178, Tian shan west rd, Shanghai, China 〒201107
TEL:+86-21-6402-7710
FAX:+86-21-6402-7710

Huizhou factory

恵州工場 No.19, Hui Long Dong Lu, Huicheng Qu, Huizhou Shi, Guangdong Sheng, China
TEL:(0752)2362666
FAX:(0752)2362665