LLT Connector
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llt@connectorllt.com
LLT Connector
Professional Waterproof & Circular Connector Manufacturer
Established in 1998, LLT Connector Co., Ltd. is a leading high-tech enterprise specializing in the research, development, manufacturing, and sales of waterproof connectors, circular connectors, and electrical wire connectors. Our headquarters in Shenzhen, complemented by manufacturing facilities in Suzhou and Dongguan, represents the fusion of traditional Chinese craftsmanship with modern engineering principles.
Under the leadership of our second-generation founder, a UC Berkeley Mechanical Engineering alumnus, we have revolutionized connector manufacturing with precision engineering methodologies. Our comprehensive product portfolio includes M8, M12, M16, M19, M20, M25, M29, M35, and M45 series waterproof connectors, serving industrial automation, renewable energy, telecommunications, and transportation sectors worldwide.
LLT Connector leverages 26+ years of waterproof connector and aviation connector manufacturing expertise, recognized as a National High-Tech Enterprise. Our 30,000 sqm state-of-the-art manufacturing facility features 30+ precision injection molding machines, fully automated assembly lines, and internationally advanced testing equipment, all guided by UC Berkeley Mechanical Engineering principles.
Professional Waterproof Connectors, Circular Connectors, and Cable Connector Solutions
M8-M12 series miniature waterproof connectors feature IP67/IP68 environmental protection, ideal for industrial automation and sensor connectivity applications. Available in 3-8 pin configurations with threaded locking design ensuring reliable electrical wire connections.
Download Datasheet →M16-M22 series medium power cable connectors engineered for intermediate power applications with superior sealing performance and mechanical strength. Extensively deployed in LED lighting systems, motor control circuits, and industrial equipment connectivity.
Download Technical Datasheet →M19 series aviation connectors manufactured with aerospace-grade materials featuring exceptional environmental resilience. Engineered for aerospace applications, defense systems, and marine environments requiring military-specification reliability.
Download Technical Datasheet →M25-M45 series heavy duty power connectors designed for high-current applications with superior ampacity and thermal management. Extensively utilized in electric vehicle charging infrastructure and renewable energy systems.
Download Technical Datasheet →LT20 series waterproof junction boxes provide reliable circuit protection and connection management for outdoor lighting systems and surveillance equipment. Compact architecture with simplified installation procedures.
Download Technical Datasheet →RJ45 waterproof connectors engineered specifically for network communication applications, ensuring stable data transmission in harsh environments. Optimized for industrial Ethernet and surveillance system deployments.
Download Technical Datasheet →M29 series self-locking waterproof connectors feature Push-Lock rapid connection technology for streamlined installation with reliable sealing performance. Ideal for outdoor equipment and industrial control applications.
Download Technical Datasheet →M35 series connectors specifically engineered for photovoltaic generation and renewable energy storage systems with exceptional ampacity and environmental adaptability. Compliant with solar industry standards for long-term operational stability.
Download Technical Datasheet →M45 series high power connectors engineered for heavy-duty applications with exceptional ampacity and mechanical strength. Deployed in large-scale industrial equipment and power transmission applications requiring maximum performance.
Download Technical Datasheet →LA20 series snap-in industrial connectors feature rapid engagement design for streamlined installation and maintenance operations. Optimized for industrial automation equipment requiring frequent connection cycling.
Download Technical Datasheet →LPL series lighting connectors specifically engineered for LED lighting applications with superior electrical performance and environmental protection ratings. Extensively deployed in outdoor lighting and architectural illumination systems.
Download Technical Datasheet →Download our comprehensive 2025 Q1 engineering catalog featuring detailed specifications for all waterproof connector and aviation connector product lines with technical drawings and performance data.
Download Complete Catalog (97MB)Specialized waterproof connector solutions engineered for diverse industrial applications
Comprehensive waterproof connector and aviation connector solutions for industrial robotics, automated production lines, and PLC control systems requiring reliable connectivity.
High-power waterproof connectors and sealed electrical interfaces for EV charging stations, battery management systems, and onboard charging applications.
Advanced waterproof connectors and high-speed transmission interfaces for 5G base stations, fiber optic communications, and data center infrastructure.
Weather-resistant waterproof connectors and sealed electrical interfaces for photovoltaic panels, inverters, and energy storage systems requiring long-term reliability.
High-reliability aviation connectors and waterproof interfaces for offshore platforms, marine vessels, and subsea operations in harsh environmental conditions.
Aerospace-grade aviation connectors and connector systems for aircraft, satellite applications, and ground support equipment meeting rigorous aviation standards.
Products certified to international standards ensuring engineering excellence and reliability
US Safety Standards
European Conformity
Environmental Standards
Maximum Ingress Protection
International Quality Standards
Professional Waterproof & Circular Connector Manufacturer with UC Berkeley Engineering Excellence
26+ years specializing in waterproof connector and aviation connector R&D, with comprehensive production chain and quality control systems
Waterproof connectors certified to ISO9001 standards, IP67/IP68 protection rating, reliable aviation connector quality
Standard waterproof connectors in stock, custom aviation connectors delivered in 7-15 days
Personalized waterproof connector and aviation connector customization for specialized application requirements
Continuous investment in waterproof connector and aviation connector R&D, delivering cutting-edge connectivity solutions
Waterproof connectors and aviation connectors exported to 150+ global markets with professional technical support
Multi-Industry Professional Connector Solutions
Waterproof connectors for robotics, PLC control systems, sensor connectivity
Aviation connectors for charging stations, battery management systems, motor control
Waterproof connectors ensuring reliable outdoor lighting and landscape illumination systems
Aviation connectors ensuring reliable data transmission for base stations and network equipment
Waterproof connectors for diagnostic equipment and monitoring device connectivity
Aviation connectors ensuring stable transmission for cameras and alarm systems
Professional Waterproof Connector Manufacturer at Your Service
+86 13530095578
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llt@connectorllt.com
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Pinghu Community, Longgang District, Shenzhen, China
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Waterproof Connectors | Circular Connectors | Cable Connectors | Electrical Wire Connectors | IP68 Connectors | M8-M45 Series Connectors
Industrial Connectors | Aviation Connectors | Wire Harnesses | Threaded Connectors | Push-Pull Connectors | Quick Connect Solutions