On September 20 1212, Tongling jewelry co., ltd and EDT (Eurostar diamond trader) held the patent handover ceremony of "Blue Flame of New Generation Diamond" at the Belgian Consulate General in Shanghai. According to the agreement, EDT completely handed over the diamond cutting patent of "New Generation Diamond Blue Flame" to Tongling Jewelry, which marked the first time that China's jewelry industry completely owned the world's top diamond cutting patent. At the same time, EDT and its subsidiaries made strategic investments in Tongling Jewelry, with an increase of 65.438+0.5 billion yuan, and * * * owns 654.38+0.5% of the equity of Tongling Jewelry. EDT and its affiliated companies promise to invest only in psychic jewelry in China, and permanently follow the major shareholders to build jewelry luxury brands.