四聚乙醛杀螺剂,主要用于福寿螺、蛞蝓、蜗牛的防治。截至2011年12月25日,共有7家企业在我国登记了四聚乙醛原药产品,其中国外企业1家,国内企业6家。按照企业所在省份划分,江苏省3家,上海市2家,浙江省1家。2003年瑞士龙沙有限公司首家登记。 Four polyacetal kill spirits, mainly for the snails, catfish, snails prevention and treatment. As of December 25, 2011, a total of seven companies registered in our country the original drug products, including foreign enterprises 1, 6 domestic enterprises. According to the provinces where the enterprises are located, three in Jiangsu Province, two in Shanghai and one in Zhejiang Province. 2003 Longsheng Co., Ltd. of Switzerland first registration.