Deyongs Bedding & Duvet Covers. Deyongs was established back in 1846 by the Deyong family who are rightly proud of their heritage, having selling high quality textiles for over 170 years. The company were one of the first importers of textiles from Hong Kong & India. Today, the company is still a family business being run by the 7th generation of Deyongs. The company’s principle remains the same, selling quality bedding and duvet covers.