Step 01 Raw Material Control
Inspection of virgin 750°C flame-retardant PC/ABS pellets and high-conductivity phosphor bronze conductor sheets.
RoHS Compliant Factory Capabilities
Built for Global OEM/ODM Socket Supply
At Ningbo Sykra Technology Co., Ltd., we combine vertical integration with international compliance standards. From raw flame-retardant resins to finished export cartons, every production phase is operated in-house to guarantee consistent quality, traceability, and punctual container delivery.
5,200 m²
Production Floor57 Staff
Verified Workforce100% Inspected
Electrical Safety CheckTÜV Verified
On-site Certified Facility Workflow & Machinery
8-Stage In-House Production Process
Inspect each step in our manufacturing chain engineered to meet European Schuko, French, and international socket standards.
Step 01 
Step 02 Injection Molding
High-precision molding for socket enclosures, cube casings, and child-safe shutters with smooth aesthetic finishes.
Precision Tooling
Step 03 Conductor Welding
Solid mechanical joining of copper busbars and terminals ensures ultra-low contact resistance and thermal stability.
Low Contact Resistance
Step 04 Laser Marking
Permanent engraving of electrical ratings, CE/GS certification markings, batch tracking numbers, and custom brand logos.
Traceable Marking
Step 05 Manual & Semi-Auto Assembly
Integrated assembly lines combining modular PCB power supplies, USB-C PD controllers, and surge protectors.
Lean Production
Step 06 In-Line Inspection
100% continuity, polarity, earth ground integrity, and functional checking on every unit before packaging clearance.
100% Verified
Step 07 Custom Packing
Automated and manual packing options including retail color gift boxes, blister packs, and drop-tested export master cartons.
Retail Ready
Step 08 Finished Stock & Staging
Finished goods stored in climate-managed staging areas ready for final container loading to global sea ports.
On-Time Dispatch Advanced Machinery & Testing Lab
Hardware Equipment & Quality Assurance
Strict quality assurance backed by calibrated testing instruments and heavy-duty production machinery.
Machinery Automated Welding Machine
Provides consistent join points between grounding contacts and lead wires, preventing cold solder joints.
Heavy Duty
Machinery High-Speed Laser Machine
Rapid and abrasion-resistant engraving of technical specifications and regulatory marks required for EU customs.
High Precision
Machinery Injection Molding Machines
Multi-ton hydraulic press machines operating continuous cycles for flame-resistant power strip housings.
In-House Tooling
Assembly Modern Assembly Line
Optimized lean manufacturing benches equipped with anti-static safeguards and torque-calibrated screwdriving tools.
ESD Protected
Lab Testing Resistance Tester
Validates insulation resistance and micro-ohm conductor resistance to prevent premature heating during operation.
Calibration Verified
Lab Testing High Voltage Tester
Executes 2000V–3750V dielectric withstand breakdown tests to ensure complete user isolation against surges.
Dielectric Proof
Lab Testing Electrical Load Tester
Simulates maximum 16A/250V full-load and overload cycles to benchmark temperature rise across extended operating hours.
16A Endurance
Lab Testing Safety Regulation Tester
Comprehensive electrical analysis station verifying leakage current and ground continuity per IEC 60884 standards.
IEC 60884 Spec
Lab Testing Climate Test Chamber
Accelerated aging test under extreme humidity (95% RH) and thermal cycles to ensure reliability across global shipping routes.
Climate Proof
Lab Testing Glow Wire Testing Chamber
Certifies 750°C and 850°C glow-wire flammability compliance (IEC 60695-2-11) for self-extinguishing plastic shells.
750°C/850°C Fireproof