Hengxu is a professional manufacturer of carbon black including the R & D, production, processing, marketing department. Our factory, which is founded in 2003, has the nation's largest specialty carbon black production line, specializing in various environmental carbon black, covers an area of more than 50 acres. The company has dozens of professional researchers and engineers, introducing foreign advanced technology and equipment, setting up a special pigment carbon black R & D testing center. We can customize the parameter of carbon black according to the customer's demand. We adopt highly automatic equipment, the capacity of production line is almost 12000tons/year, The company has passed ISO9001:2000 quality management system and 14001:2004 environmental assurance system certification.