QTC Energy (Public) Company Limited, formerly known as Quality Transformer Company Limited, was established on July 19, 1996, with an initial registered capital of 10 million Baht, to operate the business of producing and distributing distribution transformers. In July, 2003, the Company changed its name to Q.T.C. Transformer Company Limited. On August 19, 2010, it was transformed into a public limited company and changed its name to QTC Energy (Public) Company Limited and was listed on MAI Stock Exchange on July 28, 2011. Transferred its securities for trading on the Stock Exchange of Thailand (SET) on July 29, 2021.
Mr. Poonphiphat Tanthanasin was the founder of the Company who has over 46 years of work experiences in the transformer manufacturing industry. He has worked with major and leading transformer manufacturers in the country and been responsible for various works, including design, assembly, and production as well as sales and marketing. He has intensive and comprehensive knowledge and expertise in transformers in all areas. In addition, the management team, engineers, and employees are knowledgeable, experienced, and expertise in the transformer business for more than 46 years. They had been trained by leading transformer manufacturers for a long time in Germany and Japan. Such experiences enable them to help the Company to develop high quality transformers that are widely accepted by customers, including state-enterprise electricity agencies, i.e. Metropolitan Electricity Authority, Provincial Electricity Authority, and domestic and international private customers.