In order to implement the Environmental Protection Law of the People's Republic of China and the Air Pollution Prevention and Control Law of the People's Republic of China, prevent and control environmental pollution, improve ecological environment quality, promote technological progress and sustainable development of the coking chemical industry, the "Emission Standards for Air Pollutants in the Coking Chemical Industry" are now approved as the emission standards for air pollutants, and jointly issued by the Ministry of Ecology and Environment and the State Administration for Market Regulation....