Dipl. Ing. Pichet Ongvises Managing Directo
	E.S. INTERNATIONAL (1991) CO.,LTD.
	The restructuring of a previous company resulted in the establishment of E.S. International in 1991. The company has been manufacturing MV switchboards of up to 33 kV and LV switchboards of up to 6000A for more than 15 years. The management team comprises of skilled engineers with at least 15 years of experlence in switchboard design and manufacturing .

The cubicles are entirely manufactured in house by the use of modern facilities such as CNC punching machines, or the new electrostatic powder coating system. Assembly of the switchboards meets IEC and VDE standards and they are type tested by the VDE, Germany, in conformity with IEC 60439-1 standards. The Quality management system of ESI was successfully certified in 2003 according to ISO 9001 : 2000

Customers can thus be assured that products from E.S. International comply with international standards and of the highest quality.

ESI Trading Co., Ltd. was founded in 1995. The company imports mainly form medium sized European companies, who manufacture high quality products at reasonable prices. The company is the sole distributor for Saci,Spain (measuring instruments), Janitza, Germany (energy and PF controller), Schmidt, Germany (busbarholder), DF, Spain (fuse) and Kunz, Germany (flexible copper connector).

In 1997, ESI Trading was also appointed as distributor for Siemens in Thailand, which enables the company to offer a complete range of electrical products needed by switchboard manufacturers and contractors.

ESIT focuses solely on the distribution of products which are also used by the production division of
E.S. International. Due to this experience with the products, ESIT can advice their customers in the best possible way.