Partners and judges at the JNA Awards 2018 Open for Entries Presentation. (From left) Albert Cheng; Sophie Li, Guangdong Gems & Jade Exchange; Yan Nanhai, Shanghai Diamond Exchange; Letitia Chow, UBM Asia; Bobby Liu, Chow Tai Fook Jewellery Group Ltd; Liu Zheng, Guangdong Land Holdings Limited; Mark Lee; and James Courage