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Group Companies About Us

ING Iron Works, Inc.

ING Iron Works, Inc.

A company that processes parts using NC lathes, machining centers, and multifunction machines.

Company Name

ING Iron Works, Inc.

Location

811-2132
1-16-41 Haruda, Umimachi, Kasuya-gun, Fukuoka

Representative

Ryo Yamaguchi

Capital

JPY 5,000,000

Established

March 4, 2013

Number of Employees

6 (as of April 30, 2024)

Main Businesses

Special valve parts processing
Machinery and equipment parts processing

Shinei Seiko Co., Ltd.

Shinei Seiko Co., Ltd.

A company that processes parts using NC lathes, machining centers, and multifunction machines.

Company Name

Shinei Seiko Co., Ltd.

Location

818-0003
3730-33 Oaza Yamae, Chikushino City, Fukuoka

Representative

Ryo Yamaguchi

Capital

JPY 10,000,000

Established

May 1960

Number of Employees

11 (as of April 30, 2024)

Main Businesses

Processing of parts for precision machinery

WinTech Co, Ltd.

WinTech Co, Ltd.

Has an integrated production system for various precision parts, from cutting to polishing, mainly using NC lathes and NC cylindrical grinders.

Company Name

WinTech Co, Ltd.

Location

391-0011
11400-1021 Aza Harayama, Tamagawa, Chino City, Nagano

Representative

Masakazu Funakoshi

Capital

JPY 3,000,000

Established

February 17, 2000

Number of Employees

11 (as of April 30, 2024)

Main Businesses

Cutting and grinding of various precision machine parts

KONNOPRO Co., Ltd.

KONNOPRO Co., Ltd.

Making use of NC lathes and turning centers, they manufacture the main parts of turbomolecular pumps used primarily in semiconductor manufacturing equipment, as well as bit shanks.

Company Name

KONNOPRO Co., Ltd.

Location

276-0047
1165 Yoshihashi, Yachiyo City, Chiba

Representative

Hironobu Ichimaru

Capital

JPY 10,000,000

Established

April 15, 1950

Number of Employees

25 (as of April 30, 2024)

Main Businesses

Precision machining of parts used in turbomolecular pumps
Manufacturing of bit shanks