据考证,我国比罗马人发现汞至少早一千多年!国外的主要产汞国家是西班牙和意大利。两国的总最占国外总产量的三分之二左右。其他是美国、加拿大、墨西哥、苏联等一些国家。目前世界汞产量在6000吨/年左右,而汞的消费水平也在7500～ According to research, our country found the mercury more than a thousand years earlier than the Romans! The main mercury producing countries abroad are Spain and Italy. The two countries account for the largest share of the total foreign output of about two-thirds. Others are the United States, Canada, Mexico, the Soviet Union and some other countries. At present, the mercury production in the world is about 6,000 tons / year, while the consumption level of mercury is also 7500 ~