Shenzhen LLT Connector - National High-Tech Enterprise in Industrial Connection Technology
IP68 Waterproofing Experts | Leading Connectivity Solutions Provider | 26 Years of Manufacturing Excellence
Company Overview
Shenzhen LLT Connector Co., Ltd. (referred to as "LLT Technology Group"), a national high-tech enterprise in China's industrial connection technology sector, specializes in the R&D and manufacturing of high-performance waterproof connectors, self-locking connectors, and quick-connect connectors. With 26 years of experience, our proprietary IP68-rated, all-scenario protection technology system has enabled us to evolve into an international provider of comprehensive connectivity solutions, integrating R&D, intelligent manufacturing, and global services.
Our core product lines include waterproof plugs, circular connectors (aviation-style), bayonet-lock connectors, quick-connect/disconnect connectors, push-lock connectors, cable plugs, waterproof joints, and more. We hold multiple patents in areas such as push-pull self-locking connectors, sensor connectors, metal connectors, solar connectors, photovoltaic connectors, pre-terminated cable assemblies, and T-type three-way power cables. All products meet the IP68 international standard for dust and water resistance.
LLT's connectivity solutions are widely adopted in traditional infrastructure sectors like security, fire safety, public safety, power, telecommunications, and transportation. We are also deeply integrated into emerging industries such as new energy, electric vehicles, IoT, industrial and mining enterprises, and machinery. We provide critical connectivity components for intelligent management systems, industrial automation equipment, and LED optoelectronic lighting, serving as a key pillar for digital infrastructure.
Leveraging robust in-house R&D capabilities and advanced manufacturing processes, LLT has established a business network spanning over 100 countries and regions. We consistently deliver secure and reliable connectivity solutions to global clients, empowering various industries in their intelligent and digital transformation.
Quality Systems & Global Certifications
The Group has established a comprehensive quality management system that spans the entire product lifecycle, ensuring every product meets international standards.
International Certifications
Over 28 global market access certifications including UL, CE, TÜV, SAA, CB.
Industry Qualifications
IATF 16949 (Automotive Quality Management System), EN 45545 (Railway Applications - Fire Protection on Railway Vehicles), ISO 9001 (Quality Management System), ISO 45001 (Occupational Health and Safety Management System), ISO 14001 (Environmental Management System), SA8000 (Social Accountability).
Environmental Systems
Compliant with international environmental standards such as RoHS 2.0 and REACH.
Innovation & Patents
Holds 200+ national patents (including 8 invention patents) and has participated in drafting 3 industry standards.
Technological Strength & Industrial Layout
Headquartered in Pinghu, Longgang District, Shenzhen, the Group boasts a 150,000 sqm intelligent production base (comprising a 15,000 sqm R&D and manufacturing center and a newly built 128,000 sqm smart manufacturing center in Tangxia Town, Dongguan). We operate four strategic business units: Wire & Cable Manufacturing Center, Global Waterproof Connector R&D Center, Precision Mold Engineering Center, and Polymer Material Innovation Center.
The company is equipped with a UL-certified laboratory, fully automated injection molding lines, and a CNC precision mold workshop, enabling a vertically integrated manufacturing system from material R&D (in-house production of modified polymer materials) and mold design (over 1,200 sets of molds developed annually) to precision injection molding and intelligent assembly. In 2022, we introduced Industry 4.0 flexible production lines, capable of customized production of 100,000 connectors daily.
Advanced Manufacturing Capabilities
Global Product Matrix
Through continuous innovation, LLT Technology Group has developed a comprehensive industrial connector ecosystem to meet diverse industry application needs.
New Energy Ecosystem
- Smart EV Charging Connectors (covering European/American/GB standards)
- High-Current Liquid-Cooled Charging Interfaces
- Photovoltaic Energy Storage Connection Systems
Industrial Interconnection Solutions
- IP68 High-Pressure Deep-Water Connectors
- Corrosion-Resistant Marine Connectors
- EMI-Resistant Signal Transmission Systems
Digital Infrastructure Product Group
- Waterproof Power Modules for 5G Base Stations
- Signal Transmission Units for Rail Transit
- Specialized Connectors for Smart City LED Control Systems
Specialized Application Areas
- Subsea Exploration Robot Connection Systems (up to 3000m depth)
- Military-Grade Anti-Vibration Push-Pull Self-Locking Interfaces
Global Partnerships & Benchmark Projects
As a representative of "Intelligent Manufacturing in China," LLT Technology serves over 40 Fortune 500 companies. Our strategic partners include multinational corporations like Siemens Energy, Hitachi Zosen, and CRRC.
International Infrastructure
Dubai Smart City Lighting System
Provided complete waterproof connectivity solutions for the Dubai Smart City project, ensuring stable operation in extreme high-temperature environments.
China-Laos Railway Power Supply Network
Custom-developed connectivity systems adapted to high-altitude mountainous environments, covering the entire 1000 km power supply network.
Major National Projects
Beijing Winter Olympics Underwater Lighting System
Supplied high-reliability waterproof connectors for the Winter Olympics venue's underwater lighting system, ensuring stable operation in -40°C extreme cold conditions.
Hong Kong-Zhuhai-Macao Bridge Monitoring Sensor Network
Provided anti-salt spray corrosion connector solutions for the sensing and transmission system of the world's longest sea-crossing bridge.
New Energy Benchmarks
Tesla Supercharger Station Components
Supplied quick connectors for Tesla's Supercharger network in China, supporting 350kW high-power DC fast charging.
CATL Energy Storage System Connection Solutions
Provided customized energy storage system connectivity solutions for the world's largest battery manufacturer, supporting large-scale grid peak shaving.
Marine Engineering
CNOOC "Deep Sea No. 1" Energy Station Detection System
Supplied waterproof connection systems for China's independently built ultra-deepwater energy station, suitable for 3000m deep-sea environments.
Norwegian Subsea Cable Repeater Station
Provided high-reliability sealed connection components for Nordic subsea communication network repeater stations, ensuring stable signal transmission.
Sustainability Commitment
The Group adheres to ESG development principles, contributing to global carbon neutrality goals through green manufacturing systems, material recycling technologies, and R&D in new energy connection systems.
Recycled Material Application
Developed patented recycled plastic formulation technology to enable material recycling and reduce reliance on virgin resources.
Green Smart Manufacturing
The new Dongguan base employs intelligent manufacturing processes to achieve dual goals of energy saving, emission reduction, and efficient production.
Global Service · Localized Response
LLT Technology Group upholds the corporate mission of "Connecting Creates Value." With 8 technical service centers and 3 overseas warehousing and distribution bases worldwide, our localized service teams provide 24-hour rapid response to customers in regions like Europe, Southeast Asia, and the Middle East. We continuously deepen our "Global Technology, Local Service" strategy, striving to become a benchmark Chinese enterprise in the global industrial connectivity field and provide reliable connection assurance for building an interconnected intelligent world.