Teera-mongkol industry Co., ltd. Leader of manufacturer for ballast, transformer, hid products including ignitor, change over light switch etc. Our company&＃039;s goal is to satisfy all customers with premium quality of standard regarding to the international electro-technical commission standard (IEC). All products here are produced under the quality management system(ISO 9001:2000) from SGS, a switzerland based certification company. At teera-mongkol industry, every product is produced by merging the latest know-how technology (from our R&D lab) with the qualified materials to guarantee the identical standard of each product.