Legal. According to the inquiry of Lukfook Finance official website, Lukfook Jewelry Futures Platform is the first jewelry futures trading platform in Chinese mainland, which was jointly built by Lukfook Group and Shanghai Futures Exchange, the largest futures exchange in China. Luk Fook Jewelry is a famous jewelry brand in Hong Kong, providing customers with high-quality jewelry such as yellow platinum jewelry, diamonds, jadeite and gemstone jewelry, wedding gold jewelry, couple rings and so on.