LLT Group

World-leading eletric connector solution provider

Like a bridge over troubled water, connecting the world with trust.

Discover the origins of our manufacturing excellence.

Premier Connector Product and Solutions for Gen-Z industries

Founded in 1998, Shenzhen Llutong Electronics Technology Co., Ltd. (LLT) has pioneered advanced IP68-rated waterproof connector systems that have revolutionized the connectivity landscape. Our comprehensive product matrix includes industrial-grade cable connectors, quick-disconnect connectors, M8 waterproof connectors, M12 waterproof connectors, M16 waterproof connectors, waterproof plugs, aerospace-grade plugs, multi-core connectors, male-female connectors, and specialized LED waterproof connector lines—all engineered to deliver mission-critical reliability where conventional connections fail.

Our proprietary waterproof coupling technology has transformed modern plant grow lighting systems through strategic partnerships with Lumatek grow lighting platforms and Philips grow lighting solutions. LLT's UL-certified connectors power sophisticated landscape lighting installations worldwide, including landmark projects such as the Beijing Olympic Water Cube, Shanghai Expo pavilions, London Olympics infrastructure, and cutting-edge outdoor lighting systems across Asia-Pacific, European, and North American markets. Our waterproof cable joints enable seamless integration in both residential and commercial LED lighting applications, delivering IP68-grade protection in challenging operating environments.

Through 15+ years of continuous innovation, LLT has expanded its waterproof connector ecosystem to support next-generation technologies—powering humanoid robotics joint systems, embodied intelligence platforms, industrial automation networks, autonomous driving perception systems (including LiDAR and millimeter-wave radar interfaces), AGV navigation infrastructure, and environmental sensor integration frameworks. As trusted suppliers to industry leaders including Huawei, Luxshare Precision, BYD, and Foxconn, our waterproof connector solutions meet rigorous international standards with UL, TÜV, CCC, and IP68 certifications—ensuring uncompromising performance for Texas's largest plant grow lighting facilities and beyond.

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Years of Connector Innovation
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Global Markets Served
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Patented Waterproof Technologies
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International Certifications

World-Class Manufacturing Ecosystem

Our 150,000㎡ intelligent production infrastructure spans strategic locations

Dongguan Industry 4.0 Megacenter

Dongguan Industry 4.0 Megacenter

128,000㎡ production complex featuring 30+ high-precision injection molding systems, AI-driven welding & potting lines, military-grade IP68 validation chambers, and smart warehousing with 24-hour global dispatch capacity.

Shenzhen HQ Innovation Cluster

Shenzhen HQ Innovation Cluster

15,000㎡ R&D headquarters housing UL-certified laboratories and advanced polymer material development facilities, driving our commitment to technological innovation and excellence.

Advanced Production Processes

State-of-the-art manufacturing capabilities ensuring precision and quality

Injection Molding Production Line
Precision Injection Molding Systems
Soldering Production Line
Advanced Soldering Systems
Assembly and Potting Production Line
Assembly and Potting Production Line
Assembly and Testing Workshop
Assembly and Testing Workshop
Smart Warehouse System
Smart Warehouse System

AI-Powered Technological Innovation Ecosystem

From traditional IP68-certified solutions to next-generation intelligent connector systems

DeepSeek AI-Powered Design Platform

Eight H-100 GPU accelerated knowledge database powering computational design optimization, structural innovation prediction, and materials science simulations to reduce prototype cycles by 45%

Next-Generation Connector Matrix

Beyond traditional M8-M25 line: introducing magnetic self-locking connectors with one-hand operation, robot joint-specific flexible cable connectors with 5000+ flex-cycle durability, and micro-motor EMI-shielded metal connectors for precision robotics

Proprietary Quick-Disconnect Architectures

Advanced push-pull locking mechanisms with 50,000+ connection cycle durability, ensuring secure connections in high-vibration environments while maintaining IP68/69K ratings under 30m submersion tests

Precision Micro-Connection Platforms

Ultra-miniaturized 0.5mm pitch interfaces enabling high-density signaling for humanoid robotics and advanced perception systems with integrated EMI/RFI shielding and quantum-resistant sealing technology

Industry-Leading 360° Sealing Geometries

Complete environmental protection through advanced circumferential sealing technology capable of withstanding pressure differentials of 10 bars while maintaining signal integrity in mission-critical applications

Environment-Resilient Polymer Formulations

UL-listed laboratory developed compounds withstanding extreme temperatures (-40°C to +125°C), UV degradation, salt fog exposure (1000+ hours), and chemical resistance to industrial solvents and hydrogen peroxide sterilization

Vertical-Specific Engineering

We deliver mission-critical connectivity infrastructure that powers innovation across industries:

Smart Energy

Solar/wind farm transmission networks with 3000V photovoltaic hybrids and offshore connection systems

Mobility Revolution

EV charging ecosystems & autonomous vehicle perception systems including IATF 16949 certified interfaces

Industrial 4.0

Collaborative robotics & automated production lines featuring 0.5mm micro-pitch control systems

Urban Intelligence

Smart city grids & emergency response networks with EN 45545-compliant rail transit nodes

Manufacturing the Future

Global Compliance Architecture

28 International Certifications

UL/CE/TÜV/SAA/CB ensuring global standards compliance

IATF 16949 Protocols

Automotive-grade quality management systems

EN 45545 Standards

Rail transit fire safety compliance for critical infrastructure

RoHS 2.0/REACH

Eco-compliant material governance throughout our supply chain

Advanced Manufacturing Ecosystem

67

Patented Technologies

Including 8 invention patents driving industry advancement

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Industry Standard Contributions

Shaping connectivity specifications globally

1200+

Annual Mold Development Capacity

Enabling rapid prototyping and customization

100k

Units Per Day

Flexible production capacity with digital twin manufacturing

Strategic Industry Alliances

Powering mission-critical systems for global innovators

Smart Mobility

  • BYD EV charging interfaces
  • Huawei 5G infrastructure connectors

Advanced Manufacturing

  • Luxshare precision components
  • SMIC semiconductor equipment links

Medical Technology

  • Mindray diagnostic system modules
  • Philips imaging device interfaces

Energy Transition

  • Lumatek solar farm arrays
  • Offshore wind farm connectivity solutions

Technology Horizon

Our Shenzhen R&D center drives frontier developments in next-generation connectivity

Humanoid Robot Kinematic Connections

Advanced joint and motion control interfaces for next-generation robotics

Depth-Sensing Camera Interfaces

High-bandwidth connections for advanced perception systems

AI Perception System Integration

Specialized connectors for AI-powered sensory and decision systems

Micro-Joint Motor Control Platforms

Ultra-precision 0.5mm pitch systems for next-generation automation

Partner with LLT Tech Group

Let's collaborate to create innovative connectivity solutions for your most challenging projects.

Contact Our Engineering Team
Contact LLT Tech Group