Gelonghui April 28 丨 Xinhongye (301310chaoscrewslot.SZ) said on the investor interaction platformchaoscrewslotThe company's main business is new energy vehicle cables, charging pile cables, photovoltaic cables, energy storage cables, rail transit cables, nuclear power cables and nuclear penetrations, marine cables, robot (300024) cables and other special cables.chaoscrewslotR & D, production and sales.