The original Chengbaoge Jewelry Production Center was established in 1999, and was acquired by Beijing Popular Concept Trading Co., Ltd. in 2002. The business projects of Beijing Popular Concept Trading Co., Ltd. include real estate, department stores, jewelry, internet and clothing trading. In 2004, Mr Gong Zhen, the chairman of the company, personally managed a subsidiary named Dacheng Diamond Company, and set up a well-known diamond wholesale agency in the UK that year, paving the way for Dacheng Diamond Company to explore the international market, mainly engaged in the wholesale business of diamonds and jewelry at home and abroad. In 2006, Dacheng established a cooperative relationship with Belgian Diamond Exchange Center and opened new stores in two large jewelry cities in Beijing. In 2008, the first 24-hour diamond club in China was established, aiming at tailoring top-grade jewelry for high-end customers. Dacheng Diamond Company, which occupied the diamond wholesale market in Beijing and even North China in 2009, turned south and opened its first domestic and foreign government store in Hangzhou.