Company Profile

Management Philosophy

TAISEI GROUP located in Chichibu area (Saitama prefecture) has advanced to englarge the range of business from a line of wrist-watch parts to fixed resistors , semiconductor device in electronic field. Competence of our company can be defined the latest state-of-the-art mechatronic technology brought forth through this process. The principle of our business is to keep positive aggression towards research and development that rests with its productivity and merchandising. Meanwhile, the factories are located for easy commuting for most employees.

In addition, TAISEI GROUP is organized with other subsidiaries as follows; MKT TAISEI CO., LTD. sales division in Tokyo; GM TAISEI Co., LTD. production division in Gunma pref.; GM TAISEI Co., Ltd. TECHNICA Div. (Former:TAISEI TECHNICA CO., LTD.) semiconductor device production division. TAISEI PLATING KOHGYO CO., LTD. surface treatment operation division.

Through operation interactive, is brought about stimulus to our territorial market, that is, multiplied effect to be utilized. All members of TAISEI GROUP are, thus, inter-dependent for most effective business.

Company Profile

▼ TAISEI CO.,Ltd. ( Head Office Plant )

Establishment 1962
Capital 98,600,000 yen (Group 178,600,000 yen)
Areas of works

Designing, development, production, sales of precision products and electronic products.
• Wrist-watch parts and precision parts.
• Various sensors, Resistors, Car-electronic products.
• Surface mount products.
• Radio communication devices.
• Microwave components, modules, equipment.
• Piezoelectric ceramics etc.
Precision resin molding.
Precision polishing of semiconductor wafers.

Located 6972 Shimo-Yoshida, Chichibu-shi, Saitama-ken, 369-1593, JAPAN.
Phone +81-494-77-1211
FAX +81-494-77-1415

▼ TAISEI CO.,Ltd. ( Plant Chichibu )

Located 423-3, Arakawa-Niegawa, Chichibu-shi,
Saitama-ken, 369-1911, JAPAN.
Phone +81-494-54-2211
FAX +81-494-54-1000
Areas of works Lathe processing of wrist-watch parts and precision parts.
Slicing semiconductor wafer.
Design, development and manufacture of electronic parts and electronic equipment.

▼ TAISEI CO.,Ltd. ( Plant Obashira )

Located 506-1, Obashira, Chichibu-shi,
Saitama-ken, 368-0061, JAPAN.
Phone +81-494-63-2771
FAX +81-494-63-2772
Areas of works

• Designing, development, production of Car-electronic products.
• Production of Medical equipment products.
• Assembling production of various parts, units.


Establishment 2015
Areas of works Production of Car-electronic products.
Production of electronic components.
Located Xudong Industrial Zone Xiantang Dongyuan,
Heyuan,Guangdong(Nikkei industrial Park A-2)
Phone +86-762-8813390
FAX +86-762-8813391

Associated Company


Establishment 1971
Capital 20,000,000 yen
Areas of works • Sales of Electronic components.
• Sales of precision products.
• Sales of microwave components.
• Market analysis.
Located 3-10-8, Nohagi 1st Bldg, Minami-Ikebukuro, Toshima-ku,
Tokyo, 171-0022, JAPAN.
Phone +81-3-3982-0029
FAX +81-3-3986-1537

▼ MKT TAISEI CO.,LTD. ( Kansai branch )

Located 3-18-9, Nishi-nakajima, Yodogawa-ku,
Osaka-city, 532-0011, JAPAN.
Phone +81-6-6390-7264
FAX +81-6-6390-6945

▼ GM TAISEI CO., LTD. ( Head office / Fujioka factory )

Establishment 1967
Capital 70,000,000 yen
Areas of works Production of office automation productions.
Located 1073-3, Nakaotsuka, Fujioka-city, Gunma-ken, 375-0053, JAPAN.
Phone +81-274-24-6400
FAX +81-274-24-6405


Areas of works • Production of semiconductor device.
• Productions of optical communication devices.
Located 6967-1, Shimo-Yoshida, Chichibu-shi, Saitama-ken, 369-1503, JAPAN.
Phone +81-494-77-1212
FAX +81-494-77-1710


Establishment 1981
Capital 10,000,000 yen
Areas of works • Surface treatment of wristwatch parts, machined parts, electronic parts, etc. (heat treatment, deburring, plating)
• Manufacture of electroformed parts.
Located 6957, Shimo-Yoshida, Chichibu-shi, Saitama-ken, 369-1503, JAPAN.
Phone +81-494-77-1218
FAX +81-494-77-1206