Xin Yuan in temperature pitch a manufacturer | Xin Yuan supply temperature asphalt business | domestic-temperature asphalt sales Xin Yuan supply Shandong Shengli the temperature pitch | Xin Yuan asphalt sales in the first | North Xin Yuan in the warm asphalt in the temperature of asphalt specialist manufacturers Xin Yuan | National Low price temperature pitch | volume-temperature asphalt sales Xin Yuan quality medium temperature pitch | Xin Yuan at higher prices in the warm asphalt sales | Xin Yuan in temperature pitch spot sales Xin Yuan long-term supply temperature pitch | medium temperature asphalt Changchun Sales | Jilin temperature pitch Xin Yuan production Xin Yuan in temperature pitch manufacturers | Xin Yuan in the temperature of asphalt bitumen production | in the warm asphalt sales Chaoyang supply Xin Yuan quality medium temperature pitch | Baoding Supply Haicheng temperature pitch | efficient high-temperature asphalt Xin Yuan in the warm asphalt supply | Xin Yuan's supply temperature pitch | Xin Yuan in temperature pitch Sales Panjin Qingyuan Xin Yuan Refractories Co., Ltd. was established in 1999 sales, has been adhering to the "integrity 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 old customers to negotiate. Products: asphalt in temperature, capacitance magnesia, industrial naphthalene, hot asphalt powder, graphite electrode regeneration. 
 Temperature tar in distillation residue is part of the asphalt, tar yield accounted for 54 to 56%, which is more than three-ring aromatic compounds and oxygen, nitrogen, sulfur-containing heterocyclic compounds and a small amount of polymer material composed of carbon. The molecular weight of the asphalt components between 200 to 2000, up to 3000. The softening point temperature is based on a different pitch division. Softening point of 65 ~ 90 ℃ in temperature for the asphalt.