Precision-Engineered Industrial Power Conversion Solutions
Yueqing Keldan Technology Co., Ltd. is located in Yueqing, Wenzhou, Zhejiang Province—the core manufacturing capital of China's electrical apparatus industry. With over 18 continuous years in power electronics engineering, we design, produce, and export DIN rail power supplies, switching power supplies (SMPS), pure and modified sine wave power inverters, DC-DC converters, and industrial panel switches.
As a verified custom manufacturer assessed on-site by TÜV Rheinland, we maintain complete internal quality control chains—from incoming raw component screening to automatic SMT assembly, wave and reflow soldering, automated optical inspection (AOI), full-load burn-in aging, and final electrical testing.
Factory Verified Performance
Onsite AuditedVerified Core Capacities
Operational data verified through on-site audits, ensuring high standards in technical qualification, procurement, and ongoing mass production.
Facility & Production
- Floor Space2,300 m²
- Total Onsite Personnel44 Staff
- Assembly Line Operators17 Specialists
- Verification BodyTÜV Rheinland
- LocationZhejiang, China
R&D & Customization
- Engineering TeamDedicated R&D Staff
- Annual New Models48 Releases/Year
- Design-Based CustomizationSupported
- Sample-Based ProcessingSupported
- Proprietary Registered BrandsYes
Quality Assurance & QC
- QA/QC Dedicated Staff6 Inspectors
- Incoming Material Verification100% Onsite Check
- Automated Optical InspectionIn-line AOI Systems
- Full-Load Aging Test100% Thermal Burn-in
- Pre-Shipment Final QCStrict AQL Standards
Workshops, Equipment & Production Lines
Take an inside look at Yueqing Keldan Technology Co., Ltd. Every snapshot reflects authentic operations within our Zhejiang manufacturing base.
Certified for Global Export Markets
Our power supplies, inverters, and control switches comply with international standards to ensure uninterrupted market clearance across Europe, the Americas, and Asia.
CE Mark (LVD/EMC)
Switching Power Supply Standard
M.2022.206.C73679
CE Mark (Low Voltage)
Industrial SMPS Compliance
PTC25032202701C-EN01
CE Mark (Inverter)
Pure Sine Wave Power Inverters
M.2026.206.C137037
RoHS Compliance
Hazardous Substances Restriction
PTC26013016701C-EN01
EMC Directives
Immunity & Emissions Tested
PTC26013016701E-EM01
RoHS Directive 2.0
Full Power Supply Range
PTC25102816101C-EN01
TÜV Rheinland Report
Onsite Production Assessment
Verified Supplier Audit
Custom Manufacturer
OEM / ODM Capability Audit
Certificate Authority PassPrimary Export Markets
International Shipping & Logistics
Located near China's primary maritime corridors, Yueqing Keldan Technology Co., Ltd. coordinates multimodal ocean and air consignments with full export customs clearance.
- Nearest Ocean PortsNingbo Port, Shanghai Port
- Nearest AirportsWenzhou (WNZ), Shanghai (PVG)
- Accepted Trade TermsFOB, CIF, CFR, EXW, DDP
- Accepted Payment TermsT/T, L/C, Western Union
- Export Experience18+ Years Global Trading
- Documentation SupportCO, Form E, Bill of Lading, CE
Partner with Yueqing Keldan Technology Co., Ltd.
Require engineering datasheets, customized voltage outputs, private-label branding, or a formal factory quote? Our sales engineers are available to review your specifications and respond within 2 hours.
