Yes According to Chow Tai Fook's inquiry in official website, the au4 17 necklace is a new product launched by Chow Tai Fook on October18, which supports recycling and exchange, aiming at providing consumers with a more comfortable shopping experience. Chow Tai Fook Jewelry Group Co., Ltd. was listed on the main board of the Hong Kong Stock Exchange in February, 201/,with the vision of becoming the most trusted jewelry group in the world.