Xin Wan fire professional manufacturer of asphalt - the long-term production of asphalt, Beijing asphalt supply information. Qingyuan County, Xin Yuan Refractories Co., Ltd. was established in 1999 sales, has been adhering to the "integrity of management, practical work," the principles and philosophy, by the support and trust of our customers, the monthly throughput of more than 5,000 tons, welcomed the new and old customers to negotiate. Products: medium temperature pitch, capacitance magnesia, industrial naphthalene, hot asphalt powder, graphite electrode regeneration. 
 Medium temperature pitch tar distillation residue is part of the total tar yield of 54 ~ 56%, which is more than the three-ring aromatic compounds and oxygen, nitrogen and sulfur heterocyclic compounds and a small amount of polymer composition of carbon. The molecular weight of asphalt components between 200 to 2000 up to 3000. The softening point temperature pitch is based on different division. Softening point of 65 ~ 90 ℃ in temperature for the asphalt.