Dongguan Langlun Electronic Products Co., Ltd. was established in September 1989. It is well-known at home and abroad with the "3K" brand. It has many factories and distribution offices in the Mainland. Since its establishment, the company has been committed to the research and development of high-end switches, sockets and connectors. And manufacturing, and gradually extended to other precision switch products such as: potentiometers. And conduct technical exchanges with well-known domestic and foreign brands. We continue to innovate and develop superior technology, and we insist on providing customers with high-quality products and flexible shipping arrangements. We are also very happy to provide customers with tailor-made services. The factory also cooperates with European, American, Japanese, domestic and other customers through OEM and ODM methods to develop, produce and sell. All our waterproof switches have obtained IP67 waterproof certification, switch socket products have passed UL, CSA, VDE, CE, CQC and other certifications, and all products meet the requirements of EU ROSH and REACH environmental protection directives.
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Socket, namely JACK. There are also domestic sockets, industrial sockets, waterproof sockets, ordinary sockets, power sockets, computer sockets, telephone sockets, video and audio sockets, mobile sockets, and USB sockets. Generally refers to electrical connectors. That is, a device that connects two active devices to transmit current. Between the blocked or isolated circuits in the circuit, a bridge of communication is built, so that the current can flow, and the circuit can realize the predetermined function and application environment. There are different forms of sockets.
