Bengbu Yongfeng Dyestuff Chemical Co., Ltd
Bengbu Yongyan Dyestuff Chemical Co., Ltd. is a national high-tech enterprise that has been producing sulfur dyes since 1968 and has a production history of over 40 years. We specialize in the production and operation of a series of sulfurized varieg
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Bengbu Yongyan Dyestuff Chemical Co., Ltd. is a national high-tech enterprise that has been producing sulfur dyes since 1968 and has a production history of over 40 years. We specialize in the production and operation of a series of sulfurized variegated dyes, including 6
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The company has self operated import and export rights, mainly engaged in the research and development, production, sales, technology transfer, and services of chemical raw materials, pharmaceutical intermediates, and drug formulations. Chemical drug