We are one of the most prefessional chemcial product supplier in china, focusing on APIs, intermediates, chemcial and food additives etc, offering more than 4,000 products.Demo which has been specialized in producing kinds of organic intermediates,chemical intermediates ,and auxiliary chemical for many years .We possess comprehensive quality inspecting organization and quality guarantee system ,dedicating to the R&D .Drawing on decades of experience constantly focusing on quanlity,service and credibility.we have get a good repution both demostic and oversea market.