Capabilities and Services

Powder Coating/Wet Coating

  • Industrial-grade powder coating
  • Wet coating
  • Pretreatment
  • Post treatment with medium capacity oven chambers or high capacity conveyorized oven chamber.
  • Visual inspection
  • Masking, touch-up and pad printing
  • Special paints per customers' specifications including military-grade paints

Pre-treatment & Paint Stripping

  • Manual and automated pre-treatment system
  • High capacity stripping line that can remove defective coating efficiently without deteriorating surface of the parts.
  • RO water system to make DI water to support the pre-treatment and washing line
  • De-burring services to customers' specifications before other surface treatment processes.
  • Passivation and chromate conversion coating services.

Electro-Deposition Plating

  • High-volume e-coat (EDP) line, fully automated and completed with conveyorized oven. Manual visual inspection can also be provided.
  • Jigs are designed and made in-house for efficiency and cost-effectiveness


  • One stop or turn-key service, including raw parts procurement.
  • Logistics co-ordination assistances
  • Taxes and duties clearance for imported materials and product export fully utilizing our BoI promotional priviledges
  • Test Laboratory, capable of providing both customers and management with an accurate report on the process and parts. The Test Laboratory also plays a key role in environmental control as all wastes are tested before discharge or dispose.


A combination of executives with diverse technical skills enables PST to meet the needs of a demanding manufacturing industry.

Witit Sujjapong
CEO, Thai

Witit has over 20 years professional experience in financial services in the areas of corporate and investment banking with reputable institutions such as Bangkok Bank, Chase Manhattan Bank, Mitsubishi Bank and Citibank. Witit later took up senior management positions as Chief Financial Officer at TT&T, President and member of the board of directors at CAT Telecom and Executive Director at National Electronic and Computer Technology Center (NECTEC). He co-founded Advanced Concept Plating, a company engaging in surface coating specializing in HDD. He has been involved in corporate strategy development and strategic business planning in these mentioned organizations to ensure that financial and technological success go hand in hand. Witit has always had an interest in technology and innovation. He believes in promoting technology to accelerate success for organizations at all levels.

Witit holds an M.S. in Economics and a PhD candidacy from Hitotsubashi University, Tokyo, Japan. As a board member of a few publicly listed companies and and a Chartered Director of the Thai Institute of Directors, Witit is knowledgeable of and actively practising good corporate governance.

Anucha Wantong
Production, Thai

Anucha is well-versed with all the production processes of the Company having risen up from the production floor. He is highly a dedicated and hands-on leader willing to work long hours. He is knowledgeable of quality processes and can assure both quality and efficiency.

Nantana Yaprom
Customer Service, Thai

Nantana has over 12 years experiences in production planning and customer service. She is knowledgeable of logistics as well as BoI related processes.

Nantana holds a Bachelor Degree in General Management.


101/62/13 Navanakorn 5/4,
Klongnueng, Klongluang,
Patumtani 12120


Phone: +662 194 2319
Fax: +662 194 2320