Not many, Hangzhou Tycoon Jewelry is regular and reliable. According to inquiries from the Hangzhou Linping District Market Supervision and Administration Bureau, Hangzhou Tycoon Jewelry has a special business license, and each piece has a certification. Hangzhou Tyheng Jewelry Auction Co., Ltd. (formerly known as Hangzhou Tyheng Jewelry Co., Ltd.) was established in 2017 and is located in Hangzhou, Zhejiang Province. It is an enterprise mainly engaged in the manufacturing of cultural, educational, industrial and aesthetic, sports and entertainment products.