Jiangyin Changjiang Electric Co., Ltd. is a subsidiary of Jiangsu Xinchao Technology Group Co., Ltd. Since 1990, it has successfully developed LED semiconductor signal lights. In 1991, it formally established the "Changjiang Electric" AD11 signal light brand. The main products include: AD11 series signal lights, LA38 series buttons, LW38 series universal changeover switches, CJH-0.66 series low-voltage current transformers, CJTD series construction machinery lights, etc. The company's products are widely used in industries such as electric power, machinery, industrial control, elevators, communications, rail transit, new energy and construction machinery.