Tet Design Co.,Ltd. Was established since January 1989, and the factory locate in a spacious area of 13 rai (about 5 acers) in sampharn district of  Nakhorn Patom  Province. Tet Design Co.,Ltd. Is managed and owned by Mr.Sompol Termpitayawej.

The company manufactures mainly silver 925 jewelry all of which is destined for overseas markets with top quality product. The main oversea markets are the European, USA, Korea and Japan.

At the present, there are 400 employees in the factory with the production capacity about 100,000 places per mouth. The company is well-know globally for both good quality and on time delivery. Most of our customer are some very major brand name from the luxury segment of the markets. However, our 4 designers always develop the new design to serve for the customers who have no their own design too. Moreover Tet Design Co.,Ltd. Has been certified that our company has been assessed  and registered against the following quality assurance standard ISO 9001. Mr.Sompol always realizes the customer satisfactions coming first, thus the company produces the top quality product with competitive prices as on time delivery.