醋酸乙烯（又名乙酸乙烯酯、VAC）。皖维公司醋酸乙烯产品采用电石乙炔法和生物质乙烯法生产工艺，目前现有产能有70万吨/年，其中皖维本部产能15万吨/年(电石乙炔法)、子公司蒙维科技45万吨/年(电石乙炔法)、子公司广维10万吨/年（生物质乙烯法）。
    Vinyl acetate produced by calcium carbide method and biomass ethylene process,Existing production capacityis 700000 tons/year, of which the WanWei headquarters production capacity is 150000 tons/year (calcium carbide method),Subsidiary MengWei 450000 tons/year (calcium carbide method) subsidiary Guangxi Company 100000 tons/year （Biomass ethylene method）.

     
     产品用于聚醋酸乙烯、聚乙烯醇、EVA\VAE 腈纶等域
     Products used in poly (vinyl acetate, polyvinyl alcohol, EVA \ VAE, acrylic, etc