Weifang Yonhop Chemical Co., Ltd ,which located in Shandong Weifang Ocean Chemical Development Zone, besides the Bohai Sea and the Laizhou Bay, is a private joint enterprise. Her location is very convenient for sea, road, railway and air traffic. 　Based on the aboundant resource of Bromine, we specialize in the research, production and management of bromide chemicals. Our products includes Bromine, Phosphorus tribromide, Hydrobromic acid, n-Butyl bromide, n-Pentyl bromide, n-Hexyl bromide, 1-Bromo-3-methylbutane，Bromocyclopentane，Bromocyclohexane, N-Bromosuccinimide , 2,4,6-Tribromo phenol, 2,4,5-Tris(tribromophenoxy)-s-triazine，Brominated polystyrene , etc, widely used in producing medicine, pesticide, dyestuff , pigment, paint and plastic . 　With the perofect basic facilitie..