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DOHER is a collection of chemical research and development, production and sales of fine chemicals of high-tech enterprises. In ten years the company has experienced rapid development, spread across the country, serving more than 4,000 customers, but also cooperation with major universities to develop new products, targeted to the introduction of a large number of foreign advanced technology and equipment patents, in the flame retardant industry, we are a leading developer, manufacturer and marketer of many well-known companies offer customized fire retardant applications.