Shenzhen Yierkang High-Tech Co., Ltd. established in 1997 collects the science, industry and business as a shareholding private company which is professional in the field of R&D and manufacture of various high voltage power and environmental small home appliance including ionizer, ozonizer, air purifier, disinfector, oxygen bar and other related products. With many years experience in the high quality of products we have now 6 patents from China property and patents administration. As we have many experienced technicians the company promise to offer you the updated products continuouslyB