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R&D Testing
Development History
Testing and R&D
Our company has been deeply engaged in the field of watertight connection equipment for over a decade, boasting robust, comprehensive capabilities in testing and R&D. By seamlessly integrating innovation with rigorous verification, we have established an end-to-end technical system characterized by “R&D-driven leadership and test‑based assurance,” which serves as a critical pillar of our core competitiveness. Leveraging a well‑structured R&D framework and a state‑of‑the‑art testing platform, we achieve dual‑directional empowerment—driving technological breakthroughs in watertight connections while ensuring stringent product quality control—thereby enabling our clients to maintain a sustained competitive edge in the watertight connection equipment market.
R&D Aspect
The company adheres to a forward‑looking R&D philosophy, focusing on cutting‑edge underwater hermetic connectors, hermetic adapter assemblies, and other advanced hermetic connection devices, as well as key areas such as encapsulation and sealing technologies and performance optimization. It has established an end‑to‑end R&D system spanning “technology reserves—product development—process optimization,” precisely addressing the technical challenges and market demands in fields like underwater equipment, marine engineering, and underwater communications, and striving to overcome core technological bottlenecks in the hermetic connection domain. At the same time, the company continues to ramp up R&D investment, providing targeted support for breakthroughs in core hermetic‑connection technologies, new‑product iterations, and upgrades to R&D infrastructure. By assembling a high‑caliber R&D team composed of multidisciplinary experts and fostering deep industry‑university‑research collaboration and talent‑pipeline development, the company injects sustained momentum into innovation and has accumulated proprietary intellectual property in the field of core hermetic‑connection technologies.
In terms of testing
The company has established a high‑standard, specialized testing platform, equipped with precision‑grade instrumentation and a fully equipped laboratory. This platform offers comprehensive testing capabilities—including water‑tightness verification, pressure resistance testing, corrosion‑resistance assessment, performance validation, and failure analysis—enabling the precise identification of even the most subtle performance‑related risks. It provides robust scientific data to support design optimization and parameter calibration throughout the R&D process, ensuring the scientific rigor, feasibility, and stability of our innovations while meeting the stringent water‑tightness requirements of underwater equipment.
Environmental Adaptability and Materials Analysis Equipment
Full-depth, high-pressure hydraulic automatic testing rig
Pressure is adjustable from 0 to 30 MPa, enabling simulation of hydrostatic pressure conditions ranging from 0 to 3,000 meters. The system supports pressure‑holding tests lasting up to 72 hours and 1,000 pressure‑cycle tests, and is equipped with a high‑precision pressure sensor and a leak‑detection system capable of identifying leaks as low as 0.01 mL/min.
Full-depth, high-pressure hydraulic manual test bench
Pressure is adjustable from 0 to 15 MPa, enabling simulation of hydrostatic pressure conditions ranging from 0 to 1,500 meters. The system supports pressure‑holding tests lasting up to 72 hours and 1,000 pressure‑cycle tests, and is equipped with a high‑precision pressure sensor and a leak‑detection system capable of identifying leaks as small as 0.01 mL/min.
Sealing Test Instrument
Under a pneumatic pressure of 0.5 MPa, the system maintains pressure for 1 minute with no leakage. It can be flexibly adapted to suit the material, structure, and sealing requirements of various components, meeting the testing needs of different application scenarios.
Electrical Performance Testing Equipment
Precision Contact Resistance Tester
Test range: 2–200 MΩ; accurately measures contact resistance to ensure stable power and signal transmission.
High-Voltage Withstand Tester
0–10 kV AC/DC, adjustable; supports withstand voltage and breakdown voltage testing to verify the product’s electrical safety performance.
Signal Transmission Performance Analyzer
It can test optical signal attenuation and meet the inspection requirements for high-speed data transmission connectors.
Four-wire cable testing machine
Four-wire cable tester High-voltage testing provides DC 1000 V and AC 700 V. It measures open/short circuits (OS), instantaneous open/short circuits, on‑resistance (COND.), transient on‑resistance, insulation resistance (IS), and AC/DC leakage current (mA).
Fluke tester
Complete the verification of network speeds and cable pinouts at both ends of the Gigabit Ethernet link to ensure first‑time pass‑rate compliance. Automatically generate PASS/FAIL results based on industry standards or custom test thresholds, eliminating subjective guesswork in the testing process.
Vector Network Analyzer
It spans the entire lifecycle of high-frequency products. In the R&D phase, it provides engineers with precise test data, enabling circuit design optimization and impedance‑matching tuning, thereby accelerating new‑product development and iteration. During production, it facilitates rapid batch‑level device testing and consistency verification, boosting manufacturing efficiency and ensuring product quality. In operations and metrology, it can swiftly diagnose issues such as cable aging and excessive antenna VSWR, while also supporting instrument calibration and traceability to maintain the accuracy of testing activities.
Mechanical property testing equipment
Tensile strength testing machine
Maximum tensile force: 500 kg; capable of testing mechanical performance parameters such as cable pull-out strength, shell compressive strength, and thread torque.
Vacuum Deaeration Mixer
Powerful 400G mixing, with a maximum speed of 2,500 rpm, a constant 1:1 ratio, and adjustable forward/reverse operation based on material type. Continuous run time: 30 minutes; equipped with a high‑density vacuum sensor.
Environmental Adaptability and Materials Analysis Equipment
High-low temperature and humidity test chamber
Temperature range: −60°C to 150°C; humidity range: 20% to 98% RH. Capable of high- and low-temperature storage, temperature cycling, and damp‑heat testing.
Salt Spray Test Chamber
It can perform neutral salt spray, acidic salt spray, and copper-accelerated acetic acid salt spray tests, with a maximum continuous test duration of 1,000 hours, to verify the product’s corrosion resistance.
Finished-product aging test
Under simulated underwater operating conditions—such as prolonged immersion, alternating temperature and humidity, pressure exposure, salt‑spray corrosion, and continuous electrical operation—accelerated aging tests are conducted to evaluate the long-term stability and reliability of the complete device, its internal components, sealing structures, waterproof interfaces, solder joints, and insulation performance. These tests enable the early identification of potential failures—including design flaws, seal degradation, electrical aging, and corrosion‑induced open circuits—and verify the product’s service life and environmental adaptability during extended underwater operation.
R&D Innovation—Testing and Validation—Optimization and Upgrade
The company consistently pursues a synergistic approach between testing and R&D, integrating verification and validation throughout the entire R&D process and the full product lifecycle of watertight connection devices. This fosters a virtuous cycle of “R&D innovation–testing and validation–optimization and upgrading,” driving continuous breakthroughs in watertight connection technology and iterative product enhancements while rigorously ensuring the sealing reliability, environmental durability, and operational stability of these devices. By continuously strengthening its core competitiveness, the company supports differentiated growth in the high-end watertight connection equipment market and injects strong momentum into the high-quality development of related industries such as underwater equipment and marine engineering.
