Black Diamond Material Science Co., Ltd. （hereinafter referred to as “BDMS”）, formerly YongFeng Chemicals Co., Ltd. has been a leading manufacturer of pigment carbon black in China. As the most widely used pigment black, pigment carbon black is essential to coatings, ink and plastics industries, applications including high end applications such as automotive coatings, toner of printer and copier, electronics plastics.   Over the last few years, more than 20 patents have been granted to BDMS or are being processed. BDMS is also the member of China National Standard Committee and Industrial Standard Committee of Pigment Carbon Black Industry, and has been a major contributor in the development of China National Pigment Carbon Black Standards. BDMS’s trademarks YongFeng®、PowCarbon® and BeaBlack® are among the most trusted brands in the industry. With products sold to nearly 70 countries and regions, BDMS is the largest market player in China and one of the top pigment carbon black suppliers in the world.