The company mainly engaged in high-alumina fly ash oil fracturingproppant research, development, production and management. Thecompany covers an area of ââ200 mu, construction area of ââ18,000square meters, the total number of employees 249, including asenior engineer, three engineers, seven technical staff, theexisting water mill 6, with 3.2 meters large diameter rotary kilnceramic production line 2 Article, the annual production capacityof 15 million tons.