Saigon Jewelry Company Limited (SJC) Short Name: SJC Business lines: Buying and Selling gold and silver; processing, creating, importing and exporting jewels, gems and semi-precious stones. Manufacturing gold bullion... Saigon Jewelry Company (SJC) is Vietnam’s largest gold and gold jewelry production and distribution company. (https://www.bullionstar.com/gold-university/vietnam-gold-market). Saigon Jewelry Company Limited (SJC) is a unit directly under HCM City Party Committee and accounts for 90% of gold bullion market share in the domestic market. In May 2011, the SBV appointed Saigon Jewelry Company (SJC) as the sole entity authorized to produce gold bars in Vietnam. SJC is the national brand of gold bar and was specifically monopoly producer.