Okamoto (Thai)

The Okamoto (Thai) factory is over 850,000 square feet, employees 1,000 person,

and has 30 engineers on staff. Over 300 high precision grinding machines are produced

here each month. Many of the world's top companies have contracted with Okamoto (Thai)

to manufacture their machines. As part of the 2006, $20 million Expansion, the company

now has state-of-the-art automation and safety environment equipment ISO 9001 and

ISO 14001 approved, Okamoto (Thai) is a world class manufacturing facility.

Company Profile

Company Name: Okamoto (Thai) Co.,Ltd.
Company Address:

174 Mu2, Tambon Chameab, Amphur Wongnoi,

Ayutthaya 13170, Thailand

Tel : +(66) 035-958499

Fax : +(66) 035-958491

Shareholder: 100 % (Okamoto Machine Tools Works.,LTD)
Main Business Activities: Manufacture and sale of precision grinding machine and iron casting.
Date of Establishment: 15 December 1987
Date of Incorporation: 07 December 1988
Paid-in Capital: 477 Million bath
Land space: 85,000 square feet.
Number of Employees: 1,000 Person.


Form Grinding Machine

Surface Grinding Machine

Iron Casting Part

Machine Part

Centralized Coolant Systems

Machinery Overhauls & Services

AeroLap Lapping

Sheet Metal


Mile Stone

  • March 1988

    Okamoto (Thai) Co.,Ltd. was established in March 1988 and granted promotional privileges by the Thailand Board Of Investment (BOI)

  • February 1990

    Opened its own foundry to produce high-quality iron castings for the machinery market.

  • December 1996

    Expansion of the Company's foundry form 4,600 tons/years was completed.

  • January 1998

    Production of new ranges of industrial Machinery Commenced.

  • April 2002

    The company approved an overhaul of its business activities and the introduction of new support services for machinery.

  • January 2004

    The company cooperated with its close business partners in Japan to acquire new technology for lapping machine fields. The company also commenced production of new lines of machinery supported by Coolant systems.

  • November 2004

    The company achieved ISO9001:2000 certification, marking its official achievement of the highest international standards throughout its operations.

  • March 2005

    The Company achieved ISO 14001:1996 certification, confirming its care and protection for the environment.

  • 2005

    New Assembly factory was completed.

  • 2006

    The company invested over US$20 million to double its capacity with new assembly factory and foundry, thereby enabling it to meet steadily rising demand for its products.

  • 2007

    New sheet metal and painting factory was completed.

  • 2007

    New wooden pattern mold factory was completed.

  • 2013

    The company achieved ISO 9001:2008 certification.

  • 2014

    The Company achieved ISO 14001:2004 certification.

  • January 2018

    The company achieved ISO 9001:2015 certification.

  • March 2018 until now...

    The Company achieved ISO 14001:2015 certification.

Our Standardization

ISO 9001:2015


Okamoto (Thai) Co.,Ltd. commits to continually produce top quality products based on effective quality system by :

  1. Continually improving and developing staff performance to realize in quality system.
  2. Continually developing quality of products to enhance its capability throughout warranty and lifetime periods.
  3. Developing work system in order to meet customer's requirements and related work system standard.

ISO 14001:2015


Okamoto (Thai) Co.,Ltd. has been conducting the activities in manufacturing, selling surface grinding machine to various industries, casting and servicing with state-of-the-art machinery. The company strongly intends to develop the surface grinding machine and casting for industrial world by implementing and innovative design and technology with incessant enhancement, and by continuously creating a decent environment in organization and society according to the ISO 14001:2015 Environmental Management System standard. Such intentions are:

  1. to raise an awareness of personnel in organization continually.
  2. to manage an environment in accordance with regulations and other requirements.
  3. to improve a waste reduction on water and air pollutions, such as dust, soot, smoke, and smell, and to prevent environmental impacts continually.
  4. to improve an efficient and effective use of resources, electricity and energy.
  5. to develop the production process and products with least environmental impacts and preserve the good quality products.
  6. to publicize and support information on environmental management to personnel in organization and the public.
  7. to review and develop an environmental management regularly.

Bootstrap Thumbnail Second
Air Treatment System
Bootstrap Thumbnail Second
Wastewater Treatment System

Our Partner

Okamoto Corporation Okamoto Machine Tool Europe GmbH Okamoto Corporation Semiconductor Equipment Division Okamoto Machine Tools Works Okamoto (Thai) Okamoto (Singapore) Okamoto Machine Tool (Shanghai) Office

Contact Us

Company Map

Download Map


174 Mu2, Tambon Chameab, Amphur Wongnoi, Ayutthaya 13170, Thailand

Tel : +(66) 035-958499

Fax : +(66) 035-958491

Japanese Customer
E-mail Contact
Machine & Service yamada@okamotothai.com
Iron Casting & Pattern kawakatsu@okamotothai.com
Machine Parts & Sheet Metal ichikawa@okamotothai.com

Thai Customer
E-mail Contact
Machine & Service adisorn@okamotothai.com
Machine & Service sales@okamotothai.com
Iron Casting & Pattern mark@okamotothai.com
Machine Parts & Sheet Metal Ichikawa@okamotothai.com