According to the new reforming policy of China, Henan Yanshi Chengtai Chemical Co., Ltd. is a new technical economic entity reorganized from a collective enterprise. Now, Chengtai specializes in the research, development, production and trade of dyes, chemical materials and intermediates. Led by the leading technology and aiming for global market, we are doing our best to provide customers all over the world with excellent service. According to the environment standards of Germany and EU, we co...
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