① invested heavily in the construction of power lithium battery composite copper foil and aluminum foil project, with a production capacity of 500 million tons of composite copper foil, and started construction of 10 copper foil production lines during the year; ②, the largest wire and cable manufacturer in the south of central and western China, increased significantly in the first quarter compared with the same period last year, and the second phase of the new energy automobile motor flat wire project is expected to be put into production in June with a production capacity of 20000 tons / year.