Yulong Office Building Developer: Shanghai Changjia Real Estate Ltd Company. Yulong office tower, Shanghai located beside the Shanghai Pudong Century Avenue, opposite the Stock Exchange Centre on the north and the Puxiang Building to the south. The 25-storey high rise building has a GFA of 59,172 square metres and is designed for grade ¡®A ¡® commercial offices and business conference facilities. The Yulong office building has a unique form and shape, is elegant, grand and a demonstration of the concise and clear expression of modern architecture.