BEIJIN - 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.

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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.