An industy leader - TopChem, China’s top level producer and supplier of chemical materials, whose products are involved in people’s daily life: ink, coatings, plastics, personal & homecare, crop protection and other industrial markets.we start from manufacturing pigments and dyes and then we develop to produce agrochmicals such as herbicides, insecticides and plant grow regulator. we also deal in specialty chemicals such as benzopheone,TBA.