1、从事新能源及再生能源的研发、销售;2、节能技术的咨询;3、供热、通风系统管理咨询、设计;4、从事蒸汽的生产、销售(生产仅限委托其他依法设立的市场主体经营);5、销售:建材、化工产品(须经前置审批许可项目除外)。
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