About Open Union
Open Union Industrial Ltd” (OUI) was established in 1981, with headquarter in Hong Kong and a factory in Mainland China. It specializes in manufacturing 18K gold and platinum diamond and gem set jewelry. Diamonds and gems of fine quality are carefully selected to meet the standard in the high end market.
We have confidence in fulfilling all requirements from our clients for tailor-made jewelry. To maintain the relationship with our current clients and seek for new opportunities in different markets, our sales team travel to different countries and participate in the worldwide reputable jewelry shows occasionally. Not only to seek for business opportunities but also to take more notice to the trend of the market and manufactures items that would fit the different markets.