• Chemical Companies, icluding Global Top 50 Chemical Companies
  
  
• Think Tanks 
  
  
• Environment Safety and Health Consulting Firms 
  
  
• Trading Companies 

Note: Some clients allowed to disclose business relationships with HS-TECH ENGINEERING. Please get in touch with us when you want to know our client's name.

Hashimoto Shinya

President

shinya_hstecheng.com

Mobile +66915454896 (English and Japanese)