Jie Jiang

SAKHA DIAMOND Corp. engages in the sale and processing of uncut diamonds and gemstones. Its operations are carried out through the following segments: Overseas Business, Diamond Business, Diamond Polishing Business, Real Estate Leasing and Trading Business. The Overseas Business segment handles the wholesale business in China. The Diamond Business segment manages the sale of bridal and fashion jewelry in stores and through internet and TV shopping. The Diamond Polishing Business segment engages in rough diamond sales and ore processing businesses in Russia. The Real Estate Leasing segment includes leasing to building tenants in Russia and in the head office. The Trading Business segment handles the sale various goods. The company was founded in May 1956 and is headquartered in Tokyo, Japan.

Part of Antwerp World Diamond Centre, HRD Antwerp NV is a company that provides diamonds research and development services. The company is based in Antwerp, Belgium. The Belgian company was founded in 1973. The CEO is Ellen Joncheere.

Part of SAKHA DIAMOND Corp., Sakha Diamond OJSC is a Russian company that manufactures and sells jewelry. The company is based in Yakutsk, Russian Federation.

Weizhen Diamond (Shanghai) Co., Ltd. engages in the wholesale of jewelries and maintenance appliances. Its business activities include import and export business, and related consulting services. The company was founded on February 24, 2012 and is headquartered in Shanghai, China.