Certificates & Patents

YingDiGe (Hangzhou) Technology Co., Ltd. is a certified manufacturer of underwater and harsh-environment connection equipment. Our products and production processes have been independently verified through national and regional certification bodies, and our innovations are protected by 21 registered product patents.

Our Certifications

We hold 4 national and regional certificates covering product quality, manufacturing standards, and environmental compliance. These certifications demonstrate our commitment to delivering reliable, safe, and high-performance underwater equipment to clients worldwide.

Our Patents

With 21 registered product patents, YingDiGe's R&D team continuously innovates in the fields of:

• Watertight connector sealing structures
• Underwater camera housing & optical systems
• Marine antenna design & signal optimization
• Underwater LED lighting thermal management
• Subsea pressure housing engineering

Quality Assurance

Every product undergoes rigorous quality control before shipment, including:

• IP68 pressure attenuation & immersion testing
• Salt spray corrosion resistance testing
• Electrical continuity & insulation resistance testing
• Mechanical stress & vibration testing

For certification documentation, test reports, or product compliance inquiries, please contact our team.