phosphorescent sand production and export

China has become the world's largest carbon black producer and consumer . However, in high-performance and specialty carbon black products, almost all of China's dependence on imports . Carbon black industry will make every effort to achieve the production of power shift realglow gravels for sales the production of power . This is the reporter from March 23 to 25 , held in Xi'an in 2010 from the China Rubber Industry Association Annual Conference and black club members learned information sessions . It is understood that China currently has about 100 carbon black business , with an annual capacity of more than 430 million tons in 2009 , 2.7 million tons of carbon black production . However, the majority of SMEs in the industry , industry concentration is poor, realglow gravel driveway in lack of research funding , new product development lags behind. Although there are a large number of annual exports of low-end products , but high performance and specialty carbon black products are almost entirely dependent on imports .