Credible. According to the information of Dafu Jewelry Brand, it is a chain brand, which is credible because it is a regular brand protected by official website Certification Law. Dafu Jewelry has a number of specialty stores, a high-quality staff and a perfect management system. In 2003, it established Hong Kong Dafu Jewelry Co., Ltd. in mainland China and Hong Kong, thus forming a perfect sales network in the Pearl River Delta and Hong Kong and Macao.