No. 22 century avenue, Handan, Hebei, China,056000
Hebei Longchang Coal Energy Co.,Ltd is a professionalmanufacturer with invention patents and technologies for producingnonferrous metals.Longchang focus on producing selling chemistrical energy,to provide products the highest quality at ...
coal tar pitch, napthalene, benzene, toluene, xylene, wsh oil
