Chow Tai Fook Jewellery Group Limited, a leading jeweller in the Mainland of China, Hong Kong and Macau, was listed on the Main Board of The Stock Exchange of Hong Kong in December 2011 and has become the world's largest pure-play jeweller by market capitalisation. Chow Tai Fook is now a constituent stock of the Hang Seng China 50 Index and the Hang Seng Mainland 100 Index. Its principal products are mass luxury jewellery and high-end luxury jewellery products including gem-set jewellery, gold products, platinum and karat gold product, and watches.