In 2013, implemented frequency conversion technology retrofit under Energy Performance Contracting for aluminum fabrication projects of China Power Investment Corporation.
2013年，开展中电投集团铝业变频技术改造等节能领域合同能源管理项目实施。
In 2013, implemented frequency conversion technology retrofit under Energy Performance Contracting for aluminum fabrication projects of China Power Investment Corporation.
2013年，开展中电投集团铝业变频技术改造等节能领域合同能源管理项目实施。
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