Unidentified buyers from overseas have recently signed big deals to buy high-end office and residential properties on both sides of Shanghai’s Huangpu River, Shanghai Securities News reported. Zhongrong Jasper Tower, one of Shanghai’s most expensive office buildings, located in Pudong district’s Lujiazui financial zone, sold half of its available units to an unidentified Chinese American for US$70.11 million (RMB530 million), according to Xue Jianxiong, head of research with Shanghai Youwin Real Estate ...