Ordinary Portland Cement: Portland cement clinker from 6% to 20% of the mixed material, the amount made from finely ground gypsum cement matrix, known as ordinary portland cement (the ordinary cement), Code: PO. Slag cement: cement matrix by Portland cement clinker, 20% to 70% and the amount of granulated blast furnace slag grinding made of plaster, called slag cement, code: PS. Cement factory quality certification seal manufacturer quality department should; its test report should test number Wuhan cement houses, with relevant information in order to verify the laboratory to verify the Wuhan Ray Hill cement, and should have a clear conclusion, signed and sealed complete ; manufacturers of cement alone can not make a report after 28 days lack strength; use the unit must be carefully view the validity of cement, cement for cement expired, re-examination must be done and be careful to check whether the actual value of the test report in compliance with the provisions of the standard specification value; for quality problems Wuhan Huaxin Cement, according to the test report data can be downgraded, but must be approved by the relevant signature technology leader, and the name should be indicated using the project, the site uses. If the continuous construction of the project, the time of its two adjacent cement test shall not exceed the expiration date. Cement, cement houses Wuhan, Wuhan cement (certified merchants) provided by Wuhan Hongshan District pavilion cement operation. Hongshan District of Wuhan pavilion cement operation (www.whltsn.com) (www.hbltsn.com) in cement and related products in the field devoted boundless enthusiasm and passion, Wuhan cement has been customer-centric, to create value for customers the concept of quality, service to win market, and sincerely hope to cooperate with the community to create success, create brilliant. Related businesses are welcome inquiries, contact: Liaojing Li.