Huashan district. Ma 'anshan is an important port city along the Yangtze River and a resource-based city built of steel. The industrial layout along the Yangtze River is dense, the structure is biased, the pollution discharge is large, and the ecological and environmental protection task is very heavy. At the intersection of Mapu Road and Donghui Road in Huashan District, Maanshan City, Jiuchi Lane Restaurant was not equipped with purification equipment, and the lampblack was directly discharged into the sewer, which seriously disturbed the people.