About Leagrid

Beijing Lingge Technology Co., Ltd. is a high-tech enterprise engaged in the research, development, production, and application of advanced technologies, providing industrial Ethernet switches, industrial gateways, and integrated networking solutions for industrial environments. The company adheres to quality as its foundation, continuously advancing domestically developed and independently controllable industrial communication products that cover access, aggregation, and critical link scenarios, serving customers in industries such as energy, transportation, and manufacturing. Emphasis is placed on practical implementation and maintainability throughout the delivery process, ensuring smooth project acceptance and seamless handover for ongoing operations and maintenance.

Our portfolio covers industrial switching, protocol gateways, and wireless access, selected for wide temperature, EMI resilience, and long-running field duty. The technical approach favors domestically controllable designs that are practical to deploy—reusable patterns for rings/redundancy, VLAN isolation, power, and grounding to reduce project risk.