Sumec Corp. Ltd. engages in the collaborative development of the business pattern. It focuses on the business development, including trade and service; engineering contracting; and investment and development sector. The trade and service covers trade and technology commodity, import of electromechanical equipment, garden power machinery, power generating equipment, textiles and garments, new growth engines, and bulk commodity trade. The engineering contracting covers clean energy, complete engineering, and maritime engineering. The investment and development sector covers investment and financing platform. The company was founded in 1961 and is headquartered in Nanjing, China.