Bei Jing Venevo Technology Co.,Ltd is business with the interior air quality (IAQ) related products -air humidifiers, air purifiers and fresh air exchangers, etc. We are the agent of the famous brand.Yadu becomes air humidifier & purifier supplier of Beijing Olympics.We can supply ANY QTY of the prouducts with competitive price,NO minium order quantity .YADU has already developed, manufactured and sold millions of its products. Over hundred patents and proprietary technology are registered under the name of YADU .The high quality of all these products lies in the new technology worldwide YADU was awarded ISO 9001 recognition in 1998, most of it’s main products were already obtained GS, UL and CE labels for international market.Please don't hesitate to contact us for wholesale and retail.