Acceptance rules and sampling Edit number before cement factory by the same label, same whiteness number and sampling. Each number is a sampling unit. Number according to the provisions of annual cement production: 50,000 tons or more, no more than 200 tons of a number; 1 to 5 tons, more than 100 tons is not a number; 10,000 tons of cement Wuhan Ray Hill, not more than 50 tons, or not more than three day yield is a number. Sampling shall be representative. Clinker add only prepared cement plaster called pure Portland cement Wuhan cement manufacturers, such as blast furnace slag was added thereto, fly ash or volcanic ash mixed material is referred to as slag cement, fly ash portland cement and portland pozzolan cement. If the amount of the mixed material is not more than 15%, it is called Portland cement (referred to as ordinary cement). Wuhan Ray Hill cement, cement pavilion (certified), cement provided by the 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. Cement leader in the pavilion with the staff warmly welcome all inquiries negotiations to create a better future for cement pergola.