According to GB / T17671 test. But pozzolana Portland cement, fly ash cement, Portland cement and mixed with the composite material to be mixed pozzolana Portland cement mortar strength test conducting cement, water-cement ratio of its water consumption by 0.50 and mortar fluidity determined not less than 180mm. When the flow is less than 180mm cement barrier, shall be an integral multiple of 0.01 of incremental approach will be adjusted to the mortar fluidity water-cement ratio of not less than 180mm. Mortar fluidity test according to GB / T2419 carried out, including the preparation of mortar according to GB / T17671 be. Cement: powdery hydraulic inorganic cementitious materials. After mixing with water into a paste, can harden or better hardening in water in the air, and be able to sand, stone and other materials are firmly cemented together. cement word evolved from the Latin caementum cement composition, gravel and stone tablets mean. Early mixture of lime and ash pozzolan cement and modern lime is very similar to cement hollow brick, cement concrete crushed stone made with it, not only high strength after hardening, but also resist erosion fresh or brackish. For a long time, it acts as an important cementing material, widely used in civil construction, water conservancy, national defense and other projects. Cement, cement Wuhan (certified), Xinjiang cement by cement pavilion Hongshan District of Wuhan City operation. Hongshan District of Wuhan pavilion cement business unit (www.whltsn.com) (www.hbltsn.com) was Wuhan, cement and products leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. Wuhan cement leadership with the staff warmly welcome all inquiries negotiations to create a better future Wuhan cement.