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    1. Beijing mechanical International Investment Co., Ltd. was established in 2011 by Mr. Chen Tiancheng. The company mainly invested in smelting iron and steel and importing manganese ore. The annual import of manganese ore is more than 1.5 million tons, and the annual sales income of the enterprise exceeds 3 billion . It has been a key taxpayer of Class A in Beijing for three consecutive years. In 2018, Mr. Chen Tiancheng was elected Executive Vice-President of Beijing-Hebei Chamber of Commerce and participated in the construction and investment of Xiongan New Area.