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  • DUUHNN Attend CITE2021 Exbition
    DUUHNN Pet Hair And Dander Air Purifier Attend CITE2021 ExhibitionExhibition: The 9th China Electronic Information Expo (CITE2021)Time: April 9-11, 2021Venue: Hall 1-9 of Shenzhen Convention and Exhibition Center (Futian)CITE2021 brings together the CITE theme pavilion, Air purifier, ultra-high-definition display pavilion, intelligent manufacturing and 3D printing pavilion, cutting-edge technology application pavilion, e-sports pavilion, big data storage pavilion, IoT and 5G application pavilion, intelligent driving car technology and intelligent technology pavilion, and foundation The electronic pavilion focuses on displaying the core content of the future development of the telecommunications industry and overviews the key areas of the electronic information industry.DUUHNN company attended this exhibition with partner. Kinds of customers showed much intersted in our SPI technology and Pet Air Purifier products.
  • Portable Oxygen Concentrator Catalogue
    The Portable Oxygen Concentrator demand is increasing with the COVID-19 continuous outbreak all over the world,expecially India, Brazil etc. Now our company continues to launch a variety of hot-selling products such as Intelligent Portable Oxygen Generator YK1002-2, Home use portable oxygen generator YK1L-001A. Part of catalog products of our oxygen generator The link of Small Portable Oxygen Generator:YK1002-2: https://www.duuhnn.com/intelligent-portable-oxygen-generator-yk1002-2-for-home-family_p42.html YK1001A: https://www.duuhnn.com/home-use-portable-oxygen-generator-concentrator-in-stock_p41.html All models of Home Oxygen Concentrators have approved CE ROHS FCC and other qualification certifications to export. Some models now have a small amount stock and can be shipped immediately after payment. For details, please contact customer service. 
  • Company Name and Logo Changed
    Our Company info changed details:BeforeNowCompany NameShenzhen ByHann Technology Co.,LimitedShenzhen DUUHNN Technology Co.,LimitedAddressF2, Guoxia Industry Area, Longhua District, Shenzhen, Guangdong, China. F4, Building 2nd, Chao Loft Cultural and Creative Garden, NO.150 Huayue Rd,Longhua District,Shenzhen,China P.RDomainwww.byhann.comwww.duuhnn.comAs to the trademark logo changed, pls refer the following photo:Our domestic "ByHann" and American trademark "DUUHNN" will update the company name and address details too. The legal representative,cell phone  didn't change. Please note it.The previous domain www.byhann.com will not update so often. Its email biller@byhann.com and info@byhann.com can receive and send out email normally. For new client we recommend you to contact us via info@duuhnn.com. Thanks for your support!
  • National Day Holiday Notice
    National Day Holiday NoticeOur National Day Holiday start from Oct 1st to 7th. Any questions you can leave message to us. For urgent news or customer inqire the Foreign Sales Department will reply you within 24hours as usual. Thanks.Shenzhen DUUHNN Technology Co.,LtdSep.30th, 2021
  • DUUHNN Logo Update ASSIGNEE and ADDRESS
    NOTICEDUUHNN Logo Updated Succussfully the ASSIGNEE and ADDRESS. BeforeNowCompany NameShenzhen ByHannTechnology Co.,LimitedShenzhen DUUHNNTechnology Co.,LimitedAddressF2, Guoxia Industry Area, Longhua District, Shenzhen, Guangdong, China. F4, Building 2nd, Chao Loft Cultural and Creative Garden, NO.150 Huayue Rd,Longhua District,Shenzhen,China P.RThe US Trademark "DUUHNN" Class 9 and Class 11 belong to SHENZHEN DUUHNN TECHNOLOGY CO.,LTD totally. For more info welcome to check it in UNITED STATES PATENT AND TRADEMARK OFFICE https://www.uspto.gov/ .
  • ByHann Trademark Updated Company Name and Address
    Notice:Glad to inform old and new customers that we successfully updated our trademark ByHann company name and address well.Relatived news welcome to view https://www.duuhnn.com/company-name-and-logo-changed_n26 Domestic trademark ByHann is still at work.

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