BEIJING, Sept. 28 (Xinhua) -- Chinese President Xi Jinping has encouraged industrial workers to further contribute wisdom and strength to building a country that is strong in manufacturing and promoting the full revitalization of northeast China.

Xi, also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission, made the remarks in a reply letter to representatives of workers from China First Heavy Industries Co. Ltd., a leading equipment manufacturer headquartered in Qiqihar City, northeast China's Heilongjiang Province.  ■