The Shanghai Diamond Exchange is the only transaction platform for the import and export of diamonds in mainland China authorised by the State Council. It is a member of the World Federation of Diamond Bourses.5. About UBM Asia Owned by UBM plc listed on the London Stock Exchange, UBM Asia is Asia's leading exhibition organiser and the biggest commercial organiser in mainland China, India and Malaysia. Established with its headquarters in Hong Kong and subsidiary companies across Asia and in the US, UBM Asia has a strong global presence in 25 major cities with 29 offices and over 1,200 staff. With a track record spanning over 30 years, UBM Asia operates in 19 market sectors with 160 dynamic face-to-face exhibitions, 75 high-level professional conferences, 28 targeted trade publications, 18 round-the-clock vertical portals and virtual event services for over 1,000,000 quality exhibitors, visitors, conference delegates, advertisers and subscribers from all over the world. We provide a one-stop diversified global service for high-value business matching, quality market news and online trading networks. UBM Asia has extensive office networks in China, Southeast Asia and India, three of the world's fastest growing B2B events markets. UBM China has 11 offices in the major cities in mainland China, including Beijing, Shanghai, Guangzhou, Hangzhou, Chengdu and Shenzhen, where we organise more than 60 exhibitions and conferences. In ASEAN, UBM Asia operates from its offices in Malaysia, Thailand, Indonesia, Singapore, Vietnam and the Philippines with over 50 events in this region. UBM India teams in Mumbai, New Delhi, Bangalore, Chennai and Hyderabad organise 20 exhibitions and 60 conferences every year across the country. 6. About UBM plc UBM plc is a leading global business media company. The company informs markets and brings the world's buyers and sellers together at events, online and in print, and provides them with the information they need to do business successfully. The company has 6,500 staff in more than 30 countries that are organised into specialist teams, which serve commercial and professional communities, helping them to do business and work effectively and efficiently in their markets.