Sino-US joint venture Shandong Xinjiaodian Longsheng Auto Parts Co., Ltd., former Longkou Huamei Wire & Cable Co., Ltd., Longkou Cable Factory is a professional manufacturer of "Shanlong" brand car charging cable, car battery cable, automobile, agricultural vehicle and special The factory of vehicle wiring harness, automobile emergency power supply, inverter, battery tester and other vehicle-mounted tools has a production history of more than ten years. It is the largest export, largest scale, most complete and historical product produced in mainland China. One of the longest manufacturers.

Since the product was put into production, it has been exported to the United States, Europe, Japan, Australia, South America, Southeast Asia, Taiwan, Hong Kong and other countries and regions.

The company's equipment and testing methods are advanced, and its production capacity is strong. It is fully qualified to adapt to the changing, fast and large-scale characteristics and requirements of the international market. Our company is the first company in China to receive UL certification for automotive charging cable. The products have passed the German TUV/GS certification and the European TUV/CE certification. The company has passed ISO9001:2000 certification, passed ISO/TS16949 certification in January 2005, and was named "Yantai City Small and Medium Credit Enterprise".