Professional Connector Customization Solutions

With 26 years of industry expertise, LLT has established a comprehensive R&D-production-sales system to provide high-quality custom connection solutions for global enterprises

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Custom Product Series

M8 Series Waterproof Connectors

M8 Series Miniature Waterproof Connectors

Stable and reliable small-sized waterproof connectors, available with precision-manufactured metal shielding options, supporting 3/4/5 pin configurations. IP68 waterproof rating, over 5,000 mating cycles, 360° comprehensive shielding (EMC 80dB@1GHz).

Applications: Precision sensors, PCB power circuit connections, robotic arm joint motors in embodied AI, dexterous hand connectors

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M12 Series Waterproof Connectors

M12 Series Industrial Waterproof Connectors

Medium-sized waterproof connectors for industrial automation standards, offering A/B/D/X coding options, supporting 4/5/8/12 pin configurations. Made with premium copper alloy contacts with gold plating to ensure stable signal transmission.

Applications: Industrial automation equipment, robotic control systems, fieldbus networks, industrial sensor networks

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M16 Series Waterproof Connectors

M16 Series Multi-pin Waterproof Connectors

Medium to large connectors with high-density contact design, supporting 6/9/12/19 pin configurations. Featuring premium engineering plastic housing and metal threaded locking structure, wide temperature tolerance (-40°C to +105°C), and salt spray corrosion resistance.

Applications: Outdoor lighting systems, intelligent transportation equipment, marine engineering equipment, communication base stations

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M19 Series Waterproof Connectors

M19 Series High-Current Waterproof Connectors

High-performance connectors designed for high-current applications, supporting up to 30A per contact, available in 2/3/4/7 pin configurations. Features reinforced contact system to ensure stable and reliable connections in vibrating environments.

Applications: New energy vehicle charging systems, industrial power equipment, high-power LED lighting, power tools

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M25 Series Waterproof Connectors

M25 Series Heavy-Duty Waterproof Connectors

Heavy-duty connectors designed for harsh environments, supporting 7/12/19/24 pin configurations. IP69K protection rating, shock and vibration resistant, manufactured with military-grade materials to ensure stable operation under extreme conditions.

Applications: Construction machinery, mining equipment, wind power generation, offshore platforms, military equipment

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RJ45 Series Waterproof Connectors

RJ45 Series Industrial Ethernet Waterproof Connectors

Industrial-grade waterproof RJ45 connectors supporting Cat5e/Cat6/Cat6A specifications with transmission speeds up to 10Gbps. Metal housing provides EMI shielding with IP67 waterproof rating, suitable for high-speed data transmission scenarios.

Applications: Industrial Ethernet, smart factories, surveillance systems, outdoor communication equipment, smart cities

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Our Advantages

Professional Technical Team

Industry-leading team for non-standard solution development, providing specialized customization support

26 Years of Industry Experience

Deeply rooted in waterproof connector industry for 26 years, with rich design experience and manufacturing expertise

Strict Quality Control

Comprehensive quality management system ensuring reliability and stability of every product

International Cooperation

In-depth collaboration with internationally renowned enterprises, meeting global customer requirements

Global Certifications & Outstanding Achievements View Certification Details

China Quality Certification CQC Certification
High-Tech Enterprise National HNTE Certification
China Compulsory Certification CCC Safety Certification
US Safety Certification UL4128/UL2238
EU CE Certification LVD + EMC Directive
German TÜV Certification VDE0620-1 Standard
Automotive Industry Certification IATF16949 System
Water Protection Rating IP68 Waterproof Standard
Japanese Certification PSE Certification
Australian Certification SAA AS/NZS 60335
German Industry 4.0 Certification VDE 0620-1

As a leading global connector manufacturer, we consistently uphold the most stringent international standards in creating premium products. Our connectors are certified by world authorities including UL (USA), CE (Europe), and TÜV (Germany), as well as national certifications like CQC and CCC in China, meeting market entry requirements in over 100 countries worldwide. With IATF16949 automotive quality management system certification and IP68 top-tier protection rating, we deliver exceptional connectivity solutions for new energy vehicles, precision industrial equipment, and high-end consumer electronics. Through superior craftsmanship and cutting-edge technology, we continue to create value for premium global clients.

Professional Customization Solutions

Customization Fields

  • High-efficiency shielded power-PCB connectors
  • High-current low/high voltage connectors for new energy, photovoltaic and energy storage
  • Outdoor waterproof connectors for base stations and lighting equipment
  • Special equipment connectors for ocean vessels, unmanned ships, drones, etc.
  • Industrial automation equipment connectivity solutions

Product Features

IP67/IP68 waterproof rating
EMC electromagnetic shielding
Vibration and shock resistance
High/low temperature tolerance
High-reliability connections

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Company Email: SZLLT@FOXMAIL.COM