TAIWANESE firm Fu Yang Investment opened its more-than-US$10 million City Mall Shopping Centre in Phnom Penh's Prampi Makara district Wednesday. Fu Yang Director Lee Hsieh Yu said the four-storey retail space on the corner of streets 217 and 274 contains more than 700 shops. Tenants include Lucky Supermarket, Pizza World, BB World, OSK Indochina Bank and mobile phone shops, he said. Sydney Supermarket Chief Accountant In Sopheap and Sorya Mall General Manager Lam Sopheap said they were concerned to open at a time of falling retail sales in the capital.