About component : We  adhere to the business philosophy of "quality first” . We have CCC certificate for All the safety part . All materiall meet ROHS standard.  Our motor is DC motor which is better to increase function , reduce noise , reduce engrgy consumption and extend life. We choose  SK sensor with consistency and stability which is imported from Korea after compare performance with the others. We choose famous brand fan --Changneng fan . Changneng Fan has high dynamic balance performance, reduce noise. PCB control is supplied and devoloped by Dikeer PCB . It is one PCB supplier of SUPOR . The filters are supplied by famous company—Cleantop company . Cleantop also is the main filter supplier of  Xiaomi ,SHARP, SUPOR . 

About Filters: Air purifier fit High efficiency filters , Partical CADR meet 501, CCM partical meet P4(79.9%), Formaldehyde CADR meet 307, Formaldehyde CCM meet F4(85.5%); Max noise power is 66.9Db(A). Max input power is 65W. Save power(501/65=7.7).