The company was established on April 10, 1981 with original registered capital of Bt20 million invested by the Thai public (Ministry of Finance), private investors and Belgian private company Vieille Montagne SA. Padaeng Industry has since engaged in mining and refinery operations with the objective of producing zinc metal and zinc alloys to satisfy customer demand. The company’s mine is located in Mae Sot district, Tak province, which borders Myanmar. The smelter is located in the city of the same province. The roaster plant is located in Rayong and the company’s head office is in Bangkok. The company has also engaged in zinc ore exploration programmes in Thailand and in neighbouring countries.