Quality Minerals Co.,Ltd. (The Company) was established as a limited company on 9 November 1995 with a registered capital of Baht 175 million and promotional privileges from the Board of Investment (BOI). The company produces full range of high quality Ground Calcium Carbonate both coated and uncoated grades with a combined production capacity of 108,000 tons per year. Other product lines include PP Compound, White Titanium Dioxide Masterbatch, Calcium Masterbatch (Calpet), Polyethylene Wax with a combined production capacity of 12,000 tons per year. Our export market includes almost 20 countries around the world, such as Brazil, Germany, China, Korea, Australia, India, Bangladesh, Pakistan, the Philippines, Vietnam and Myanmar, to name but a few. The Company takes great pride in being the first and the only calcium carbonate manufacturer in Thailand to obtain the Thai Industrial Standards Institute in 1999, in addition, to attain the ISO 9001:2000 certificate as well as to have the Thailand Brand logo on its products. Furthermore, the company is proud of being selected by the Bank of Thailand to supply its calcium carbonate for the production of printing ink used in the Thai bank note. Main equipment and know-how suppliers are from Germany. Main Bankers are Bank of Ayudhya Public Company Limited and Kreditanstalt Fur Wiederaufbau (KFW), Germany. Founded in November 1997, Q.M.Ishihara Co.,Ltd. is a joint venture between Quality Minerals Co., Ltd. of Thailand and Ishihara Plastic Industrial Co.,Ltd. (IPI) of Japan. Q.M.Ishihara Co., Ltd. is currently one of the leading manufacturers of plastic parts for telephone and fax keyboards. Using a state-of-the-art double inje
ction machine. Q.M. Ishihara's products are exported worldwide, through its major client, NEC Infrontia Thai Limited.
 The only Calcium Carbonate manufacturer in Thailand to receive THAI GOVERNMENT GUARANTEE on high export quality. The first Calcium Carbonate manufacturer in Thailand to pass THAI INDUSTRIAL STANDARD. The first Calcium Carbonate manufacturer in Thailand to obtain ISO 9001:2000 CERTIFICATION.