Today, 33 years ago, on October 14, 1992 (September 19, 1992) Shenzhen has achieved all harmless waste treatment. On October 14, 1992, Shenzhen City District produced 1,000 tons of waste, all of which were harmless treatment. The two international advanced level of garbage incinerators were introduced, the only modern garbage incinerator in China at present, the parameters and smoke emission standards meet the national standards.