File photo taken on Feb. 28, 2012 shows nameplates on a board outside a building at the Greenwood International Trade Center in Moscow, Russia. The Greenwood International Trade Center, a 350-million-U.S.-dollar program financed by China Chengtong Development Group, started operation in Moscow in Spet. 2011. The Greenwood covers an area of 200,000 square meters, with a total construction area of 132,600 square meters. The trade center, the largest Chinese investment project in the field of commerce in Russia, serves as a platform for Chinese products to enter the Russian market. (Xinhua/Jiang Kehong)