国家出台环保税收优惠政策最近，国家制定了４项税收优惠政策，以鼓励、支持保护环境和开展资源综合利用工作。一、所得税。利用废水、废气、废渣等废弃物为主要原料进行生产的企业，经税务机关审核，可在５年内减征或免征所得税。二、增值税。在１９９７年底以前，一般纳... Recently, the state has introduced four preferential tax policies to encourage and support the protection of the environment and the comprehensive utilization of resources. First, income tax. Enterprises that use waste water, waste gas and wastes as their main raw materials for production can be reduced or exempted from income tax within 5 years upon examination by the tax authorities. Second, the value-added tax. Before the end of 1997, generally satisfied ...