About Us


PNK shock absorbers begins the production of shock absorbers in 1970 and gas-springs in 1974. Our products are manufactured in a technology-advanced facility, Seemonthon Industry Company Limited, in Nakhonprathom Thailand.
We are the first shock absorbers manufacturing company in Thailand awarded ISO9001 for manufacturing and repairing shock absorbers and gas-springs. PNK also received ISO14001:2015 for environmental management. Our aim has always been to develop and produce the ideal damping and lifting solutions. With our longevity of experience and quality management, we serve to the company’s mission to be the leader of shock absorbers in the market.

Our Vision
PNK’s dedicated team of engineer, sales, operation and more are united by the company's vision and values and share a commitment to support our customers achieve success.

Our staffs strive for a motto “To be the trusted and preferred brand in our business areas”
Company Facts

- Land Area: 12,000 sq.m.
- Number of employee: 160
- Sales offices in Myanmar, Malaysia, Vietnam
- Production capacity; gas-spring 500,000 units/year;
- Shock absorbers 150,000 units/year




Quality & Environment Policy

PNK’s factory Seemonthon Industry co.,ltd. is ISO9001:2015 and IATF16949 certified.
We continuously strive for excellence in production process and control with the objective of raising satisfied customers and stakeholders.

Also, PNK is committed to implement ISO140001:2015 to minimize impact on environment. We always ensure the compliance with legislation, pollution prevention, and continual improvement.
Environment & Community Responsibilities
Saving the environment is our responsibility. We create and insist on environmental awareness not only to our own practices but also our local community. In addition to our compliance with laws and regulations, we minimize our environmental traces by implementing environmentally friendly technologies in the processes.


After Market

• 70% of shock absorbers and 30% of gas springs produced are for aftermarket
• Upgrade shock absorbers for pick-up, SUVs, truck, and other commercial vehicles
• Our local distributors and partners across the country are the keystones to our mission of offering ideal damping solution
• PNK shock absorbers are sold through international distributor network, in Asia and Europe

• 30% of shock absorbers and 70% of gas springs sales volumes
• The close relationship with various industry such as automotive, electronics, and agriculture enables us to integrate technical evolution  and be the forefront development partner compared to our competitors
• Collaboration with OEM gives us the opportunity to maximize quality management of work flow process and end products as well as superior material resources
Auto Services & Maintenance

PNK Car Service – shock absorbers and suspension system expert. More than 20 staffs dedicated to auto support and repair service. PNK workshops enable us to develop close relationship with the end user and this is a vital part for R&D of our Aftermarket products.

Our teams of experts are ready to serve the best solutions to our customers whether you are looking for advice, service, or overhaul to keep your vehicles in a perfect working order.
Products Research And development

Our engineers develop product solution to create and satisfy the need of the modern world. We integrate expertise from marketing and production units to form Value Innovation Team, focusing on customer satisfaction, quality and economy of scale.


Each application has its specific requirements, at PNK we provide sincere service to our customers- this means as your development partner, our Value Innovation Team supports you through initial planning until project completion.
We value collaboration and open discussion with all our partners. We work to get an early involvement of all stakeholders in our projects, this is important in ensuring a satisfied outcome
PNK’s Products Application
PNK customers trust and rely on our products for their solutions. We served our customers in various market segments such as Automotive, Furniture, Medical Technology, Packaging and Manufacturing Systems. A high degree of standardization in our parts and production has made us the competitive leader of gas springs and shock absorbers manufacturer