Thai
Standard Insulator
 
Certificate Insulator
Product Certificate

TIS. 1077-2535  
  Line Post Type 57-2 : License No.6668-5/1077
  Line Post Type 57-3 : License No.7986-12/1077
     
TIS. 1251-2537
  Pin Post Type 56/57-2 : License No.7985-9/1251
  Pin Post Type 56/57-4 : License No. (2) 2972-18/1251





Management System Certificate

TIS. 9001-2559 (ISO 9001:2015)  
  Quality Management System for “ Design and Development and
   Manufacture of electrical porcelain insulators” :
   License No. QMS0244/489
     
ISO 14001:2015  
  Environmental Management Systems for the scope: “ Design and
   Development and Manufacture of Electrical Porcelain insulators ” :
   Certificate Number : EMS62002
   
Green Industry  
  Green System
   Certificate Number : GI 3-0798/2563