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
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 |

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.
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.
The customer provides product customization requirements and relevant information.
Our professional technical personnel analyze and evaluate the product requirements, and confirm product details with the customer.
We provide customers with quotations and production plans.
The customer confirms the quotation and production plan, and signs the contract.
We start production and maintain close communication with the customer during the production process.
We complete production and perform strict quality control testing.
We deliver the customized products to the customer and provide after-sales service.