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Shanghai Qifuqing Material Technology Co., Ltd., established in December 2004, is a high-tech enterprise specializing in the research and development, production, and sales of chemical products. The company's main products are polyvinylpyrrolidone PV
Hebei Haonuo Chemical Co., Ltd. was established in 2001, mainly producing and operating intermediates such as ethyl ethoxymethylene cyanoacetate 94-05-3.