Company at Glance
PT Diametral Involute is a manufacturing and machining company that focuses on producing high quality metal mechanical parts and automotive parts.
Establishment of the company in 1997 was triggered by the high demand of industrial equipment export market in the Export Department of PT Morita Tjokro Gearindo which is a subsidiary of PT Tjokro Bersaudara in manufacturing gears and mechanical parts. The first production produced by PT Diametral Involute was agricultural tractor parts for export purposes. As well as being a pioneer in producing simple 2-wheeled gears in Indonesia, the company continues to expand the local Indonesian market in meeting the needs of 2-wheeled engine parts, and is developing in producing hydraulic components and 4-wheeled vehicle parts with a high level of precision.
With more than 500 trained and professional human resources, complete equipment and machinery facilities, and more than 25 years of experience in the industry, PT Diametral Involute is ready to compete in the global industry and work with customers to provide the best results in producing high quality metal mechanical parts or automotive parts.
1948
TJOKRO BERSAUDARA SURABAYA
Our business started from a small workshop in Surabaya, when Indonesia was just gaining independence.
1968
TJOKRO BERSAUDARA JAKARTA
Operation of the first branch office, located in Cideng Timur, Central Jakarta.
1971
PT PIMSF
Establishment of PT PIMSF and its 2nd branch office located in Pulogadung.
1978
TJOKRO BERSAUDARA SEMARANG
The 3rd branch office started operations in the city of Semarang.
1980 - 1990
TJOKRO GROUP
Expansion of branch openings in 20 cities in Indonesia is done to bring us closer to our customers.
1988
PT MORITA TJOKRO GEARINDO
Collaboration with Morita Gears Japan to fulfil demand for agricultural and automotive machinery.
1994 - 1996
PT MORITA TJOKRO GEARINDO
Fulfilment of high export market demand for industrial equipment, especially in the agricultural and automotive fields.
1997-2000
PT DIAMETRAL INVOLUTE
The company was established and produces specialised tractor parts to meet export demand.
2000-2010
PT DIAMETRAL INVOLUTE
Pioneer in the manufacturing of simple 2-wheeled local parts: Timing Sprocket, Starting Sprocket, and Starter Gear Driven.
2010-2014
PT DIAMETRAL INVOLUTE
Expansion of the local market specialising in simple 2-wheeler parts and providing parts for and moped and sport bikes.
2014-2021
PT DIAMETRAL INVOLUTE
Product type development towards precision parts for motorcycles, hydraulic components, and 4-wheelers.
Corporate Culture
PT Diametral Involute always upholds the values of corporate culture in thinking, acting, and doing activities on a professional basis.
IN
Innovation
V
Valuable
O
Optimal
L
Labored
U
Understand
T
Trust
E
Excellent
PT Diametral Involute always upholds the values of corporate culture in thinking, acting, and doing activities on a professional basis.
IN
Innovation
V
Valuable
O
Optimal
L
Labored
U
Understand
T
Trust
E
Excellent
Vision
Being a world-class company that is adaptive, trusted, and globally competitive.
Mission
- Improving competence of globally competitive human resources
- Improving effectiveness & efficiency in productivity
- Manufacturing & developing international product standards
- Cultivating technology in response to the requirements of the era
- Developing an adaptable business based on global market needs orientation.
Our Business
Since our establishment in 1997, PT Diametral Involute has been committed to providing automotive parts in line with our competence in handling machining, forging, heat treatment, and aluminium casting processes, and our ability to manufacture parts with high accuracy and precision makes us outstanding in delivering the expected quality.
In meeting the supply needs of the export market and the local market for automotive parts and other metal mechanical parts, we work closely with customers who are manufacturers and providers of automotive parts to produce products according to standards
Our Leaders
Teguh Supriyanto
President Director
Revenue Income
The positive year-on-year revenue trend is a step towards realizing our vision of becoming a world-class company that is adaptive, reliable and globally competitive.
Milestone Sales PT Diametral Involute
Our Customers
Maintaining and increasing customer trust is important in operating a service.
You may start a co-operation with us or learn more about our services starting from here.
