O Three Plus Co.,Ltd.. is a  professional comapany specialized in research& development,  manufacture various kinds of air cleaners( air purifiers )  which adopt high technological material: nanometer TiO2 ,  We  have a  national  standardized  Reasearch&Development, Test center united with Tsinghua University of China, who equip us with the outstanding development capacity and innovation strength, which enable our products to keep the leading position  consistently  in  the  world,  and help  us  produce the befitting products against the international market.

  Reliable quality,  competitive price are our another two weapons which beat competitors. Nanometer photo catalysis air cleaner ( air purifier ) is  introduced  into as a  high - tech,  innovational product by Ningbo City Technology Bureau and it is regarded as number one in all high-tech items. We have passed ISO9001:2000, and obtained CQC, CE approval.We possess  appearance patent  and nanometer technology patent.  The patent of nanometer purge chlorin device is being applied for by our company.