Introduction to China's Mercury Capital: Cinnabar was mined and smelted in Wanshan more than 3,000 years ago and shipped out as tribute. Over the years, the reserves and grade of Wanshan mercury resources have played a decisive role in the country and even the world. In the decades since the founding of New China, the development of mercury products once accounted for more than 60% of similar products in the country. Therefore, it enjoys the title of "China's Mercury Capital". ” the reputation.