ShiJiaZhuang LongCheng Chemicals Co., Ltd is one of the largest chemical manufacturers in China.It is a developing company located in shijiazhuang,the capital of Hebei Province. It has committed in producing and supplying inorganic/organic chemicals, pigments and dyestuffs in China With advantages of owning our large scale capital-owned factories, we attribute our success to our enduring efforts to supply high quality and cost-effective chemicals to our customers. wyc(at)lchg.net.cn