20 17. Chow Tai Fook is the largest jewelry company listed in mainland China and Hongkong, specializing in Chow Tai Fook brand jewelry, jade and gold ornaments. Is a comprehensive operation enterprise integrating raw material procurement, production design and retail service, and is the most famous and largest jewelry brand in China. Chow Tai Fook Mobius bracelet 20 17 went on sale, symbolizing endless love in love.