No, when buying Chow Tai Fook gold, Chow Tai Fook will issue a unified warranty, that is, a receipt. There are no other bills, only a warranty and no invoices. Chow Tai Fook is a jewellery company with the largest market value listed in China Mainland and Hongkong, specializing in Chow Tai Fook brand jewellery, jade and gold ornaments, and is a comprehensive operation enterprise integrating raw material procurement, production design and retail services.