Welcome visit NingXia Trilobite International Trade Co., Ltd website . Our main products are: Dicyandiamide, Calcium cyanamide ,Calcium carbide ,Citric Acid，Sodium hydroxide ,Acetylene black , Ammonium guanidineate, benzoquinone and other cyanamide products. We also sell general chemicals such as soda ash, borax, dross remover and carbon additive.