ZHANGJIAKOU FUYIN CHEMICALS CO.,LTD is located in Zhangjiakou, China, is a long standing and renowned chemical raw material manufacturer and exporter. We are long-term engaged in research, production, and export business of carbon black. For years, we have been adhering to the principle that "Quality is our top priority job ", and the ISO 9001-2008 quality certificate control system has been adopted to control and manage the products qua...