10#Bitumen for building waterproofing

Hebei Qunbang Chemical Co., Ltd. is a manufacturer of coal tar pitch, coal tar, crude and refined naphthalene, carbon microsphere and refractory materials with well-equipped testing facilities and strong technical force. Our products are extensively used in coal coking industry ,refractory industries,electrolytic aluminium industry, carbon industry, construction industry, metallurgical industry and other industries. Our products are widely recognized and trusted by users a...