We are Yangquan Fengze Hengye Refractory Group which is the large-scale ceramic fracturing proppant manufacturer, located in Yangquan city, Shanxi Province, our plant with an annual output of 100, 000 Ton at present, mainly produces 20/40, 30/50 ceramic proppant products, with high aluminum content for raw material and advanced technology to ensure the quality of products and stability.