For Chow Tai Fook's warranty, go directly to Chow Tai Fook's store and show the receipt when purchasing. It doesn't matter if you don't have a receipt, because Chow Tai Fook has its own logo, which is easy for after-sales attendants to identify, and it is guaranteed nationwide, as long as it is Chow Tai Fook's store. Chow Tai Fook Group is a powerful private business group owned by Dr. Zheng Yutong and his family. The group's total assets exceed US$ 5 billion, and its business is spread all over the world, with about 80,000 employees. The business of the Group is mainly operated by two companies. Chow Tai Fook Jewelry Co., Ltd. ranks first in the market share of jewelry industry in Hong Kong and China.