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Engineering Reliability into Every Switching Power Supply
Founded in 2007, Zhejiang Harlon Electronic Co., Ltd. is a dedicated industrial power supply manufacturer based in Wenzhou, Zhejiang, China. With 10,000 square meters of operational floorspace, automated assembly equipment, and comprehensive testing laboratories, we support global procurement professionals with standard catalog items and tailor-made OEM/ODM units.
Our products encompass AC/DC enclosed power supplies (including low-profile LRS series), high-power industrial units up to 3000W, TS-35 DIN rail units, DC-DC step converters, and waterproof outdoor LED drivers. Every single unit undergoes a strict quality regime from raw component screening to loaded burn-in tests.
- ISO 9001 Quality Certified
- SGS On-Site Assessed Factory
- 10,000 m² Modern Workshop
- 10+ Automated Lines
- 19 Years Industry Expertise
- 31 Vetted Component Vendors
Supplier Performance
Audited Metrics & Real-Time Track RecordWe maintain an open-door policy for factory audits and third-party pre-shipment inspections. All contracts can be protected by standard international trade terms and payment mechanisms.
Verified Factory Capabilities for OEM/ODM Buyers
Comprehensive manufacturing, technical, and trade credentials audited and certified by independent global testing organizations.
Customization & Engineering
- Customized on DemandVerified
- Sample-Based ProcessingVerified
- Drawing & Schematic CustomVerified
- OEM Buyer Label BrandingAvailable
- Custom Output & EnclosuresSupported
Research & Development
- R&D Team Experience~30 Years Lead
- Dedicated Engineers3 In-House Specialists
- Design & Simulation Software5 Platforms
- New Product Releases~20 Models/Year
- Topology OptimizationLLC / Flyback / PFC
Production Infrastructure
- Total Floor Space10,000 m²
- Active Assembly Lines10+ Lines
- High-Speed SMT PlacementAutomated
- Through-Hole Auto InsertionEquipped
- Protective Potting LinesDual Liquid Automatic
Quality Assurance & QC
- Incoming Material InspectionVerified Records
- Full-Load Burn-in Aging100% Tested
- Dedicated QA/QC Inspectors6 Full-Time
- Laboratory Equipment Units13 Specialized Sets
- Hi-Pot Insulation Test100% End of Line
Global Trade Capacity
- Years Exporting Experience19 Years
- Main Shipping PortsNingbo, Shanghai, Guangzhou
- Accepted Trade TermsFOB, CIF, CFR, EXW, DDU
- Payment MechanismsT/T, L/C, PayPal, etc.
- Accepted CurrenciesUSD, EUR, HKD, CNY
Supply Chain & Compliance
- Long-term Component Partners31 Key Vendors
- Standard Safety ApprovalsCE, RoHS, FCC, CCC
- Technical DocumentationDatasheets & Reports
- Online Track RecordUSD $110,000+ Orders
- Eco-Friendly SolderRoHS Compliant
9-Stage Standard Operating Procedure (SOP)
From raw material verification to export packaging, our structured workflow eliminates defects and ensures high production consistency.
Raw Materials IQC
Rigorous incoming inspection of capacitors, MOSFETs, transformers, and PCBs.
Surface Mount (SMT)
High-precision automated placement and reflow soldering of SMD components.
Component Inserting
Automated insertion combined with manual placement for heavy power elements.
Wave Soldering
Controlled dual-wave soldering and meticulous visual point inspection.
Electrical Adjusting
Precision calibration of DC output voltage, current cutoff, and protection limits.
Modular Assembly
Enclosure installation, heat-sink fixing, terminal blocks, and insulation shielding.
100% Loaded Aging
High-temperature burn-in testing under full load to screen early life component flaws.
Final OQC Testing
Complete check of line regulation, load regulation, ripple, and hi-pot insulation.
Packaging & Labeling
Anti-static bagging, robust drop-tested export cartons, and customized buyer labels.
Automated Machinery Driving Consistency & Capacity
Modern equipment across our Zhejiang production facilities ensures tight manufacturing tolerances and high volume delivery capability.
Wave Soldering Machine
Stable thermal profiling for flaw-free solder joints on through-hole components.
Automatic Inserting Machine
Automated insertion ensuring uniform pin spacing and assembly velocity.
SMT Placement Station
High-speed surface mounting with strict component alignment verification.
Double Liquid Glue Machine
Precision potting for waterproof LED drivers and vibration-resistant PSUs.
Automatic Packaging System
Consistent sealing, shock protection, and automated weight checking.
Lean SMPS Production Line
Continuous flow manufacturing optimized for high mix, low-to-high volume orders.
SMT Assembly Line
Integrated solder paste printing, optical checking, and reflow oven monitoring.
Automatic Labelling Machine
Accurate barcode, serial number, and custom buyer brand label application.
Chassis Assembly Line
Automated mechanical fastening ensuring steady enclosure torque and earthing.
13 Specialized Testing Instruments for Rigorous Reliability
Zhejiang Harlon Electronic Co., Ltd. operates an on-site laboratory mirroring international certification test benches.
Aging Tester
Loaded burn-in testing chambers to eliminate infant mortality defects.
Thermal Shock Chamber
Operating temperature validation ranging from -40°C to +85°C.
Lightning Surge Generator
Validating transient immunity against differential and common-mode surges.
Digital Storage Oscilloscope
Accurate ripple & noise measurement and switching transient analysis.
Vibration Test Table
Simulating harsh transport and operating conditions (5G vibration profile).
EMC Shielding Chamber
RF electromagnetic interference and immunity pre-compliance evaluation.
Earth Resistance Tester
Ground bond testing ensuring electrical safety for operators and machinery.
EMI Test Receiver
Conducted emissions testing following EN 55032 and FCC Class B limits.
Comprehensive Tester
Simultaneous evaluation of efficiency, power factor, and voltage regulation.
Programmable DC Load
Dynamic step response testing, overload cutoff, and short circuit analysis.
Hi-Pot Insulation System
Withstand voltage verification up to 3000VAC primary-to-secondary isolation.
Automated ATE Bench
Full-parameter computerized inspection with automatic datalogging.
Optical Inspection (AOI)
High-resolution inspection identifying solder bridge, tombstoning, and alignment.
Global Market Approvals & Certifications
Our switching power supplies comply with mandatory regional safety and environmental benchmarks, paving the way for seamless international customs clearance.
ISO 9001:2015
Certified quality management system governing design, production, and after-sales service.
CE Declaration & EMC
Certified against LVD EN 62368-1 / EN 61558 and EMC EN 55032 / EN 55035 directives.
RoHS 2.0 Compliant
Certified restriction of lead, cadmium, mercury, and other hazardous substances.
FCC Part 15
Complies with FCC Class A/B electromagnetic interference standards for commercial and industrial use.
Top Export Markets & Distribution Footprint
Zhejiang Harlon Electronic Co., Ltd. serves industrial automation integrators, LED luminaire manufacturers, and power distributors across 5 continents.