About LLT Connector

Professional waterproof connector manufacturer and circular connector specialist
Vertically integrated enterprise encompassing electrical wire production, cable assembly, and connector manufacturing

Waterproof Connector Manufacturer Circular Connector Specialist Cable Connector Supplier IP68 Connector Solutions Wire Connector Technology Male Female Connector Systems

Discover LLT Connector

Learn about our professional waterproof connector manufacturing capabilities and circular connector engineering excellence

Vertical Integration Manufacturing Excellence

From electrical wire production to connector manufacturing - comprehensive supply chain integration by professional specialists

26+ Years Manufacturing Excellence

Professional waterproof connector manufacturer with UC Berkeley engineering leadership, delivering industry-leading electrical wire connector, cable connector, and circular connector solutions since 1998.

Vertical Integration Advantage

Complete supply chain control from electrical wire production to connector assembly, ensuring consistent quality and competitive pricing for waterproof connectors, aviation connectors, and industrial connector systems.

Global Market Presence

Serving 50+ countries with IP67/IP68 rated waterproof connectors, aviation connectors, and cable connector solutions for telecommunications, renewable energy, and industrial automation applications.

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Electrical Wire & Cable Production

In-house production of high-quality electrical wire and cable with strict raw material quality control, ensuring stable and reliable electrical performance for waterproof connectors and aviation connectors. Complete cable production lines supporting customized specification requirements.

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Wire Harness Processing & Assembly

Professional wire harness processing team with precision assembly processes, providing matching wire harness solutions for waterproof connectors and aviation connectors. Supporting design and manufacturing of complex multi-branch wire harnesses.

Circular Waterproof Connectors

Professional manufacturing of M8-M45 series circular waterproof connectors with IP67/IP68 protection ratings, widely applied in industrial automation, renewable energy, and telecommunications equipment sectors.

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Aviation Connector Manufacturing

High-end aviation connector and aviation terminal manufacturer with military-grade quality standards, providing reliable connection solutions for aerospace, defense equipment, and marine engineering applications.

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Photovoltaic Connectors

Connector products specifically designed for photovoltaic power generation systems, featuring excellent weather resistance and electrical performance to ensure long-term stable operation of solar energy systems.

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Energy Storage Connectors

Specialized connectors for renewable energy storage systems, supporting high-current transmission with excellent safety performance, providing professional connection solutions for the energy storage industry.

Company Timeline

Evolution from professional waterproof connector manufacturer to aviation connector producer

1998

Company Establishment

Shenzhen LLT Technology Industry Co., Ltd. was established with three core divisions: Wire & Cable Division, Data Cable Division, and Waterproof Connector Division, focusing on waterproof connector R&D and manufacturing as a professional waterproof connector manufacturer.

2008

Precision Manufacturing Breakthrough

Established strategic partnership with Hitachi Elevator, successfully developed and mass-produced high-precision custom RJ45 connectors. With exceptional precision manufacturing processes and strict quality control, we provided reliable data transmission solutions for elevator communication systems, establishing our technical foundation in precision connector manufacturing.

2009

Huawei Partnership Launch

Initiated deep collaboration with Huawei across multiple projects, providing professional waterproof connector and data connector solutions for Huawei's communication equipment. This partnership marked LLT Connector's official entry into the high-end telecommunications market, laying the foundation for becoming a professional aviation connector manufacturer.

2010

New Energy Sector Expansion

Further deepened cooperation with Huawei while establishing partnerships with major new energy companies including BYD and Waltmal, specializing in high-voltage connector development and production. Developed multiple custom high-voltage waterproof connectors for specific scenarios in new energy vehicles and energy storage systems, successfully entering the new energy connector market.

2012

Revolutionary L-Series Innovation

Acquired 30+ Taichung Seiki precision horizontal injection molding machines, achieved breakthrough in parametric simulation modeling technology. Most importantly, revolutionarily invented the L-Series waterproof connectors with innovative sealing structure design and material processes, completely reshaping the outdoor lighting waterproof connector market landscape. The L-Series products quickly became industry benchmarks with superior waterproof performance and installation convenience, establishing LLT as a leading professional aviation connector manufacturer and aviation terminal producer.

2015

Vertical Integration Upgrade

Shenzhen LLT Connector Co., Ltd. was registered and established as the Waterproof Connector Division of Shenzhen LLT Technology Industry Co., Ltd., achieving vertical integration with the parent company by establishing wire harness processing workshops and complete waterproof connector manufacturing systems, realizing full supply chain vertical integration from raw materials to finished products.

2016

US Market Breakthrough

Established deep strategic partnership with Fluence, a leading US grow-lighting industry company. Based on L-Series waterproof connector technological advantages, provided professional waterproof connection solutions for Fluence's plant growth lighting systems. This partnership not only marked LLT waterproof connectors' successful entry into the high-end US market but also established technological leadership in North American horticultural lighting, becoming an internationally recognized waterproof connector manufacturer.

2018

New Energy Portfolio Expansion

Based on successful collaboration experience with BYD and Waltmal, comprehensively entered photovoltaic connector and energy storage connector markets, providing professional connector solutions for the new energy industry with products covering solar power generation, wind power generation, energy storage systems, and multiple application scenarios.

2020

Technology Innovation Center

Established R&D center, increased technology innovation investment in waterproof connectors, aviation connectors, and photovoltaic connectors, continuously promoting product iteration upgrades and new technology applications.

2024

Industry Leadership Position

Became a leading domestic waterproof connector manufacturer and aviation connector producer, with products sold to 50+ countries and regions worldwide, establishing industry leadership in outdoor lighting, new energy, telecommunications, and industrial automation sectors.

Company Strength

Demonstrating capabilities as professional waterproof connector manufacturer and aviation connector producer

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Years of Professional Experience
Waterproof connector manufacturing
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+ Product Models
Complete connector series coverage
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+ Countries & Regions
Global market coverage
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+ Partner Clients
Trusted partnerships

Why Choose LLT?

Advantages as professional waterproof connector manufacturer and aviation connector producer

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Professional Manufacturer

26 years focused on waterproof connector and aviation connector manufacturing. Leading domestic waterproof connector manufacturer and aviation connector producer with complete production chain and quality control systems.

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Vertical Integration Advantage

Vertically integrated wire & cable production, wire harness processing, circular waterproof connector, photovoltaic connector, and energy storage connector design and manufacturing, providing one-stop connector solutions.

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Quality Assurance

Waterproof connectors certified to ISO9001 with IP67/IP68 protection ratings. Aviation connectors meet military standards with reliable aviation terminal quality. Products certified UL, CE, and ROHS compliant.

Fast Delivery

Standard waterproof connectors and aviation connectors available from stock, custom products delivered in 7-15 days. As professional manufacturer ensuring timely and stable supply.

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Custom Services

Providing personalized customization services for waterproof connectors, aviation connectors, aviation terminals, photovoltaic connectors, and energy storage connectors to meet special application requirements.

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Global Service

Waterproof connectors and aviation connectors sold to 50+ countries worldwide. Manufacturing facilities in Shenzhen, Suzhou, and Dongguan providing professional technical support and after-sales service.

Authoritative Certifications

Quality assurance from waterproof connector manufacturer and aviation connector producer

UL

UL Certification

US Safety Standards

CE

CE Certification

European Conformity Standards

ROHS

ROHS Certification

Environmental Standards

IP68

IP68 Protection

Highest Protection Rating

ISO

ISO Quality

International Quality Standards

Contact Us

Professional waterproof connector manufacturer and aviation connector producer, dedicated to serving you

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Product Selection WeChat

LLT-Connectivity

Welcome to consult anytime

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Email Address

llt@connectorllt.com

24/7 online support

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Company Address

38-1 Jiahu Road, Pinghu Community, Longgang District, Shenzhen

Welcome to visit and guide

Professional Products

Waterproof Connector Manufacturer | Aviation Connector Producer | Aviation Terminal Manufacturer | Waterproof Connectors | Aviation Connectors | Aviation Terminals
Circular Waterproof Connectors | Photovoltaic Connectors | Energy Storage Connectors | Wire & Cable Production | Wire Harness Processing | Connector Solutions