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 facilities, advanced creative technics and complete test instruments, we can meet the customers' more requirements. Our company as science and technology innovate as the power of enterprise development, it has a specialized research team, there are more then 10 technicians.Also,it makes a research with civil and foreign university, and it has closed cooperates relationship with many famous research institutions. 　We warmly welcome friends from all over the world to our company for cooperation and more prosperous future.