Shandong Longli Electronics Co., Ltd., founded in 2002 and located in Linyi High-tech Development Zone, Shandong, is a national high-tech enterprise integrating R&D, production and sales of high-end optoelectronic connectors and EV charging/battery swapping equipment. Its main products include seven categories: military, smart grid, new energy vehicle, railway locomotive, mining, oil and marine connectors, with over 130 series and thousands of specifications, widely used in aviation, aerospace, military electronics, power grids, new energy, railways, communications, petroleum and coal mines.