Step 01 
Raw Material
Stringent incoming verification of virgin polycarbonate (PC), flame-retardant ABS resins, and electrolytic phosphor-bronze terminals.
Production Excellence
In-House Manufacturing Ecosystem
At Ningbo Sykra Technology Co., Ltd., we control the entire lifecycle of our EU power strips, cube outlets, and smart electrical accessories. By operating dedicated molding, welding, laser processing, assembly, and testing facilities under one roof, we guarantee unmatched product consistency, certified safety, and dependable delivery schedules for global brand partners.
Precision Engineering
Engineered with high-grade, virgin flame-retardant thermoplastics and high-conductivity copper conductor strips to safeguard against heat accumulation and structural degradation.
100% Safety Compliance
Every batch undergoes strict multi-stage inline verification, ensuring complete conformity to CE, LVD 2014/35/EU, EMC 2014/30/EU, GS, and RoHS requirements for global distribution.
Streamlined Lead Times
Automated manufacturing infrastructure and systematic material resource planning give our OEM/ODM buyers reliable turnarounds and competitive factory-direct pricing.
Manufacturing Flow
Workshop Infrastructure & Step-by-Step Production
Review the comprehensive manufacturing stages and specialized machinery that ensure high precision and industrial consistency across all Ningbo Sykra Technology Co., Ltd. product lines.
Step 02 
Injection Molding
High-tonnage injection units crafting durable, aesthetically refined housings with precise dimensional tolerances and structural integrity.
Step 03 
Welding
Secure electrical bonding of current-carrying components to eliminate joint overheating, resistance buildup, and loose connections.
Step 04 
Laser Marking
Crisp, permanent laser engraving of electrical parameters, rating tags, regulatory compliance marks, and custom private-label branding.
Step 05 
Assembling
Skilled technicians integrate modules, safety shutters, surge suppressors, and USB circuit boards with standard operating procedures.
Step 06 
Inspecting
Comprehensive line testing of insulation resistance, polar continuity, and ground bonding to eliminate any factory defects.
Step 07 
Packing
Drop-tested blister, colour box, or FSC-certified retail packaging packed into reinforced master export cartons for ocean transit.
Step 08 
Finished Products
Batch palletization and warehouse staging with complete traceability documentation, ready for customs inspection and sea dispatch.
Machinery 
Welding Machine
Industrial spot and ultrasonic welding setups designed for high-repeatability, uniform joints across high-power internal buses.
Machinery 
Laser Machine
Automated fiber and CO2 laser stations delivering abrasion-proof technical markings that meet EU durability standards.
Machinery 
Injection Molding Machine
Equipped with microcomputer temperature controllers to eliminate shrink defects and ensure uniform enclosure density.
Machinery 
Assembly Line
Ergonomic multi-station conveyor assembly units paired with inline pneumatic screwdrivers, calibration fixtures, and error-proofing jigs.
Lab Verification
Comprehensive Quality & Electrical Safety Lab
Quality is verified by empirical measurement. Our in-house testing laboratory subjects socket samples and production lots to stress, high voltages, temperature shifts, and glow-wire thermal loads to satisfy global certification bodies.
Laboratory 
Resistance Tester
Evaluates milliohm contact resistance across plugs, internal busbars, and switches to prevent localized heating under maximum load.
Laboratory 
High Voltage Tester
Executes dielectric breakdown and hi-pot tests up to several kilovolts, ensuring full insulation breakdown safety under surge conditions.
Laboratory 
Load Tester
Applies continuous 16A/250V full-load cycles to examine real-world temperature rise across pins, spring contacts, and wiring.
Laboratory 
Safety Regulation Tester
Integrated instrument assessing leakage current, ground impedance, and power parameters according to harmonized EN standards.
Laboratory 
Constant Temperature & Humidity Chamber
Simulates extreme climates and damp heat environments to guarantee environmental durability and housing stability.
Laboratory 
Hot Wire Testing Machine
Verifies flammability resistance via glow-wire tests up to 750°C/850°C, verifying that materials self-extinguish during electrical flashover.