Wire Harness Manufacturing in Vietnam & China TEL: +8618033042145 E-mail: sales@sinnhong.com
Products Strategic Manufacturing in Vietnam & China High-Precision Wire Harnesses & Custom Cable Assemblies Tariff-Free Solutions & Resilient Supply Chain for Global Markets

    Custom Waterproof Cable Assembly, M12 Circular Waterproof Connector Cable, Screw-Lock Waterproof Power Cable | SINNHONG Vietnam/China OEM Manufacturer

  • Product series:
  • Product type:
  • IP68 rated overmolded waterproof cable assembly

  • M12 4-pin male to female waterproof connector cable

  • Custom waterproof wire harness manufacturer in China

  • Shielded waterproof cable harness for industrial sensors

  • Screw-locking circular waterproof power cable

  • UV resistant outdoor waterproof connector cable

  • Marine grade waterproof cable for underwater electronics

  • Waterproof LED strip light connector cable assembly

  • OEM waterproof wire harness for harsh environments

  • IP67 waterproof CCTV camera power extension cable

  • High-flex waterproof cable assembly for robotic arms

  • Quick-connect waterproof cable system for modular lighting

  • Waterproof battery connector cable for e-bike/scooter

  • Small diameter circular waterproof connector cable

  • UL certified waterproof wire harness for outdoor use

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  • Product Description


    Elevate your connectivity solutions with SINNHONG, your premier partner for high-reliability OEM Electronics Manufacturing. Our waterproof cable assemblies are specifically engineered for mission-critical applications in harsh environments. As a strategic China & Vietnam Manufacturer, we offer our clients the unique advantage of dual-base production, providing a robust supply chain solution that helps avoid Section 301 tariffs for the US market and optimizes global logistics costs.

    Every waterproof wire harness we produce utilizes premium UL Listed Wire and is assembled strictly following the IPC-A-620 Standard for maximum durability and electrical integrity. Our proprietary overmolding technology ensures a hermetic seal (available in IP67, IP68, and IP69K ratings), making these connectors impervious to high-pressure water jets, dust, and chemical exposure. From prototype to large-scale production, SINNHONG delivers the precision and quality required by Tier-1 industrial and automotive engineers.



    Category Technical Parameters & Compliance
    Primary Manufacturer SINNHONG (Operational bases in China & Vietnam)
    Manufacturing Standards IPC-A-620 Class 2 & Class 3 (High-Performance Electronic Assemblies)
    Ingress Protection (IP) IP67 / IP68 / IP69K (Dust-tight and protected against long-term immersion)
    Cable / Wire Type UL Listed Wire (UL2464, UL2517, UL20276)
    Conductor Materials High-purity Oxygen-Free Copper (OFC) / Tinned Copper for oxidation resistance
    Insulation & Jacket PUR (Abrasion resistant), PVC (General use), or TPE/Rubber (High flexibility)
    Connector Interface M8, M12 (A, B, D, X, S, T, K Coding), M16, M23, or Custom Overmolded
    Contact Plating Gold over Nickel (≥3μ" to 30μ") for superior conductivity and 500+ mating cycles
    Voltage Rating 30V / 60V / 250V / 600V (Configurable based on AWG and pin density)
    Current Rating 1A to 20A+ per contact (Optimized for signal or high-power delivery)
    Operating Temperature Static: -40°C to +105°C; Dynamic: -25°C to +90°C
    Flammability Rating VW-1 / FT1 (Flame retardant performance)
    Compliance RoHS 3.0, REACH, UL, CE

    Product Details


    • Tariff-Exempt Manufacturing: Our Vietnam manufacturing facility allows US-based customers to procure high-quality electronics while bypassing high import duties, ensuring a competitive landed cost.

    • Precision Overmolding Tech: We utilize advanced injection molding to create a rugged, strain-relieved bond between the cable and the circular connector, preventing internal wire fatigue and moisture ingress.

    • Industrial-Grade Reliability: Using only UL Listed Wire, our harnesses are resistant to UV radiation, oil, and abrasion, ensuring a long service life in outdoor and industrial settings.

    • Quality Assurance & Testing: As an IPC-A-620 Standard facility, we conduct 100% testing on every unit, including Continuity, Polarity, Insulation Resistance, and Vacuum Waterproof Leak Testing.

    • End-to-End OEM/ODM Services: We provide full-service OEM Electronics Manufacturing, from initial design and material sourcing to final packaging and global distribution.

    PRODUCT APPLICATIONS:


    Our waterproof cable assemblies are the preferred choice for engineers in high-stakes industries:

    • Industrial Automation: Sensor cables for PLC systems, robotic arms, and automated assembly lines.

    • Outdoor LED Lighting: Reliable, UV-resistant interconnects for architectural lighting, street lamps, and signage.

    • Marine & Underwater Electronics: Salt-water resistant harnesses for maritime navigation, sonar, and offshore energy equipment.

    • Renewable Energy: Weatherproof cabling for solar arrays, wind turbine controls, and energy storage systems.

    • E-Mobility & Transportation: Heavy-duty waterproof battery and signal cables for e-bikes, scooters, and EV charging infrastructure.



    FAQ

    RE:Our wiring harness products are made of various materials, including different types of wires, insulation materials, and casings, to meet the diverse needs and requirements of our customers. We select and use appropriate materials based on customer requirements and specifications, ensuring that they comply with relevant standards and requirements. Our company implements strict quality control procedures to ensure that our products meet or exceed customer expectations.

    Our wiring harness products have excellent electrical characteristics, mechanical performance, and waterproof rating, making them suitable for various applications and environments. Specific performance indicators are determined based on customer requirements and application scenarios, ensuring compliance with relevant standards and requirements.

    We have advanced production processes and equipment that enable us to provide high-quality and efficient production services for our customers, including various processes such as welding, insulation, and wrapping. We determine the most suitable production process based on customer requirements and product specifications, ensuring that the production process complies with relevant standards and requirements.

    We provide reasonable pricing and accurate delivery deadlines for our customers to meet their needs and budgets. Pricing and delivery deadlines are determined based on customer requirements and order conditions, ensuring compliance with relevant standards and requirements.

    We provide samples for customers to try and can offer trial orders for small quantities to ensure that the product meets the customer's needs and requirements. We provide relevant services based on customer requirements and ensure that the samples and trial products comply with relevant standards and requirements.

    We can customize wiring harness products for customers based on their specific needs and requirements to ensure that the product meets their unique requirements and specifications. We work closely with customers to understand their specific requirements and design and produce products based on their requirements and specifications.

    We have a strict quality assurance system and process and hold multiple certifications and certificates such as ISO-9001,ISO-16949 COC SGS etc

    Our Custom process:

    1

    The customer provides product customization requirements and relevant information.

    2

    Our professional technical personnel analyze and evaluate the product requirements, and confirm product details with the customer.

    3

    We provide customers with quotations and production plans.

    4

    The customer confirms the quotation and production plan, and signs the contract.

    5

    We start production and maintain close communication with the customer during the production process.

    6

    We complete production and perform strict quality control testing.

    7

    We deliver the customized products to the customer and provide after-sales service.