各有关单位 :近年来 ,我国锌盐工业无论是生产技术还是生产规模、产品种类都取得了长足的发展 ,为促进锌盐工业的进一步发展 ,我们于１９９９年组建了全国锌盐协作组 ,并于１９９９年４月在云南省昆明市成功举办了首届全国锌盐技术与市场信息交流会。进入２１世纪 ,为促进我国 Relevant units: In recent years, both the production technology and the scale of production of zinc salt industry in our country have made great strides in product variety. In order to promote the further development of zinc salt industry, we established the national zinc salt cooperation group in 1999 In April 1999 in Kunming, Yunnan Province successfully held the first national zinc salt technology and market information exchange. Into the 21st century, to promote our country