The Solid Waste Ecological Recycling Industrial Park in Linyi, Shandong was approved as a National Resource Recycling Base in 2018. The park takes cogeneration from domestic waste incineration as the core, integrates 7 types of solid wastes such as kitchen waste, animal carcasses and sludge for co-processing, biogas utilization, sewage treatment, and production of biological bacteria agents so as to recycle and reuse materials and energy in the park to achieve zero emissions and energy cascade utilization.