4energy is a UK based cleantech business who has developed a range of technologies to cool electronic equipment in the ICT sector. These technologies save customers over 50% of their current energy bills for cooling radio and computer equipment. It has successful commercial deployment in Vodafone's base station. For more information about them, you could visit their website:4energy.co.uk. 适恩节能制冷设备商贸(上海)有限公司是4energy在中国的全资子公司。