Tianjin Jingwei Huikai Optoelectronic Co., Ltd. engages in the research, development, production, and sale of electromagnetic wires and reactors in China. The company offers party building bulletin board, outdoor guidance display board and publicity word screen, outdoor electronic water sign, eye protection monitor, electronic book bag, and LCD TV; party building and publicity, and horizontal and vertical screen query all in one machine; outdoor advertising machine and splicing advertising machine; and smart light pole, bus, and electronic signage products. It also provides TFT LCD, black and white LCD, and OLED display products; PRECI-touch, cover plate, screen protector, and standard products; and station dry air core smoothing and air core reactor, shunt reactor, dry type air core series, filter reactor, line blocker, and other types of reactors. The company products are used in LCD, smart city, electrical, and electronic products. It also exports its products. The company was formerly known as Tianjin Jing Wei Electric Wire Co., Ltd. Tianjin Jingwei Huikai Optoelectronic Co., Ltd. was founded in 1999 and is based in Tianjin, China.