We are a specialized manufacturer and exporter of energy saving lamp and air purifier in Shanghai, China. just take 40 minutes far away from shanghai port which most biggest in world. also only 30minutes far away from shanghai international airport. the traffic is very convenient. Product innovation, strict quality control and reliable ,customer service have lead our company to be the leader in negative ion air purifying lamp industry. Our factory produces negative ion energy saving lamp (ionic bulbs) earlier in China. We are leader and exploiter of   negative ion lighting industry. Our negative ion energy saving lamp had patents all. The patents number of it is 200820250423.1 .