According to the Ministry of Industry, Environmental Protection Department issued jointly "on the northern heating zone in the winter of the production of cement wrong peak of the notice" document spirit, coordinated disposal of municipal solid waste and toxic and hazardous waste, such as the production line in principle can not be wrong peak production. Tianjin Zhenxing Cement Co., Ltd. actively respond to the spirit of the document, in the use of rotary kiln to dispose of waste at the same time, still in accordance with the requirements of the peak production, active stop kiln, two kilns respectively stop kiln 81 days, 48 days, the peak production period to reduce clinker production 322,000 tons, reduce coal consumption of 50,000 tons, reduce carbon dioxide emissions 278,500 tons, reduce sulphur dioxide emissions 10 tons, reduce nitrogen oxides emissions 360 tons, for the environmental protection work in Tianjin, gave their own strength.