Message From The President



Safety Declaration: I myself & let all comply “SAFETY FIRST” for the company, staffs &our families ! 安全宣言: 会社、社員、家族の為、安全第一を守り守らせます。


Since we launched steel processing company in 2005, we upgraded company combining sales & processing function together in 2016 for making more satisfaction with our customers and generating more values for our prosperous future.


We are a part of Metal Division for Toyota Tsusho group of companies, and our division have the vision, To make foundation & run the strategy by ourselves for the development of business and adding our values.


Based on this vision we should perform to lead Automotive Material Makers with immediate response for the change of customers demand & requirement. Our mission is to be one stop value provider as the foundation for all Automotive Materials.


Currently we are in the period of big transformation of Automotive business, it would be happening once in a century, we should aim for a new and higher stage together with all of stake holders.

The slogan of TTAST in this Fiscal Year is as the following;  
Factory and Marketing joined together at 1st step and let's try together toward the 2nd step.  
1. Customer satisfaction  
2. Cost & Operation improvement  
3. Cross Communication among group companies.  
4. Continue Safety Activity & Achieve the budget.  



Corporate Profile


TT Automotive Steel ( Thailand ) Co.,Ltd.


Trading and cutting the Automotive Steel Sheet

Top Management

President: Hideo Naruse
EVP,VP: Takashi Hachiya, Puwadol K.
Factory Manager: Naoyuki Katsurada
Marketing:Tanawat GM
Administration:Banno GM,

Yearly Sales

19,443 Million Baht (FY2019)


Aug,2005(April,2016 Changed company name from TTSPT)


700 Million Baht


307  Persons(HQ 187 psn, 2nd Factory 43  psn,           
BKK office 77 psn / As of Mar 2020)


Head Factory:Gateway City Industrial Estate (Near TMT/GW)
2nd Factory     :Pinthong 2 Industrial Estate
Bangkok Office:TTTC Dindaeng office


Toyota Tsusho Corporation  75%
Toyota Tsusho (Thailand) Co., Ltd.  25%

Main Customer

Toyota Motor Thailand Co., Ltd.
Hino Motors Manufacturing (Thailand) Ltd.
Parts Makers


TTAST Company Way



Toyota Tsusho Group Philosophy and COCE





Organization Chart





TTAST Head Office Map


256 Moo 7, Gateway City Industrial Estate , T. Hua-Samrong, A. Plaeng-yoa, Chachoengsao Thailand 24190.
Tel : +66 38 575 641-3 Fax : +66 575 645