Language selection: ENGLISH    中文版

Company Profile

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.

LLT Connector Dongguan Smart Manufacturing Center (150,000 sqm) Dongguan Smart Manufacturing Hub - Engineering the Future
Shenzhen LLT Co., Ltd. Shenzhen Headquarters LLT Technology Group Headquarters
LLT Reception Center Modern Corporate Reception Center

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.

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).

IATF 16949 EN 45545 ISO 9001 ISO 45001 ISO 14001 SA8000

Environmental Systems

Compliant with international environmental standards such as RoHS 2.0 and REACH.

RoHS REACH

Innovation & Patents

Holds 200+ national patents (including 8 invention patents) and has participated in drafting 3 industry standards.

200+ National Patents
8 Invention Patents
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.

LLT Dongguan Smart Manufacturing Center Dongguan Smart Manufacturing Center - 128,000㎡ Industrial Base
LLT R&D Center Modern R&D and Design Center

Advanced Manufacturing Capabilities

Over 60 large-scale injection molding units at LLT

Precision Injection Molding Center

Equipped with over 60 large-scale automated injection molding units for efficient production of precision connector components.

Semi-automated soldering line with Cartesian robots and skilled technicians at LLT

Automated Soldering Process

Utilizing advanced soldering technology, including semi-automated lines with Cartesian robots and skilled technicians, to ensure stable and reliable connector conductivity.

Potting production line at LLT

Assembly & Potting Process

Specialized potting processes ensure connectors meet IP68 waterproof and dustproof standards.

Assembly and inspection production line at LLT

Assembly & Quality Inspection Center

Rigorous quality inspection processes guarantee the quality of every product.

LLT Modern Warehousing and Logistics Center

Intelligent Warehousing & Logistics

Modern warehouse management system for efficient response to global customer demands.

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.

35%
Reduction in Energy Consumption per Product Unit
30%
Recycled Plastic Usage Rate

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.


CONTACT US

Contact:Alex Yang

Mobile:0086-13925285903

Tel:+86 0755-84501636

Email:szllt@connectorllt.com

Add:No.1-38, Jiahu Road, Pinghu Street, Longgang District, Shenzhen, China