Harbin store is located in New World Department Store.

HIERSUN (Hengxin) international authoritative diamond organization is one of the few super-large international commercial groups in the world, and its business involves diamond mining, grinding and cutting, creative design, jewelry appraisal, production, processing and retail. Every diamond in Helson comes from South Africa, the best diamond producing area in the world. Helson only chooses the best octahedral diamond rough from South Africa. In Belgium, these high-quality octahedral diamonds have been carefully polished by hundreds of processes, cut by the world's top cutting masters, and inspired by Haier Sun's European Design Center, they perfectly interpret Haier Sun's unique 360-degree brilliant classic.