Since 2013 when President Xi Jinping first proposed the One Belt, One Road initiative, trade volume between China and economies along the trading routes amounted to USD3 trillion, total investment reached USD50 billion, and newly signed contracts exceeded USD304.9 billion, according to Ministry of Commerce Spokesman Shen Danyang. China has signed approximately 50 government-level cooperation agreements with these economies and established 56 economic and trade cooperation zones, Shen added.