Third: "ask" the main source of the mud is to ask manufacturers and cement proportion of cement production technology, see its "origin" is normal, whether advanced production technology. Currently, illegal building materials decoration products on the market with a small shaft kiln cement production process of the majority, not only product quality is very unstable, is also the enemy of environmental protection; and a number of professional manufacturers adopt new dry kiln production, the use of advanced computer technology control and management, to ensure stable quality of cement products. In 1796, British J. Parker with a cement marl burn out, the appearance of brown, much like the ancient Roman mixture of lime and pozzolan cement floor, named for the Roman cement. Because it is made from natural marl as raw material, without a direct firing from the ingredients, also known as natural cement. Good and fast-setting hydraulic characteristics, especially for contact with the water project. Cement flooring | Wuhan Cement (certified) | Hongshan cement provided by Hongshan District of Wuhan pavilion cement 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.