Really. Weifang Gem City is the only professional jewelry wholesale market named after "China" in China, one of the top ten brand markets of Chinese jewelry art, and a characteristic industrial base of Chinese jewelry and jade jewelry. It's true that all the gems in this base have authenticity certificates. Weifang Gem City, located in the north of Changle County, Weifang, was built in 1993. It is a comprehensive trading market mainly for precious stones and gold and silver ornaments.