The admixture industry in Wanrong County started in the late 1970s. Wanrong County is the origin and main production place of the concrete admixture industry, and has won titles including “China Construction Waterproof Town”, “Industrial Base of the Torch Program of Concrete Admixture”, “Shanxi's First Batch of Special Industry Cluster”, etc. With more than 100,000 employees in more than 600 companies at home and abroad and a production capacity of 6 million tons/year, the admixture industry has formed a complete industrial system integrating scientific research and development, large-scale production and technical services with the production and sales volume accounting for one-third of the national total.