参展企业承诺展品与参展合同相符，应为节能环保类技术与产品。
Exhibitors should promise that their exhibits are consistent with participation contracts, and are energy-saving and environmental technologies and products.
参展企业承诺展品与参展合同相符，应为节能环保类技术与产品。
Exhibitors should promise that their exhibits are consistent with participation contracts, and are energy-saving and environmental technologies and products.
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