Varnix manufacturing facility background

Company Profile & Manufacturing Strengths

ISO 9001:2015 certified manufacturer of high-reliability power inverters, DC-DC converters, rectifiers, and industrial DC power equipment since 2003.

Verified Custom Manufacturer by SGS
Established: 2003 (23+ Yrs) Staff: 58 Verified Facility: 1,229 m²
Onsite Audited 100% Quality Inspected
Enterprise Overview

About Varnix Technology Co., Ltd.

Headquartered in Guangdong, China, Varnix Technology Co., Ltd. is a specialized manufacturer dedicated to the research, development, and high-precision production of advanced power electronics. For over two decades, global tier-1 buyers have relied on our robust design architecture, engineering integrity, and zero-defect quality standards.

Production & Plant

Verified Floor Space1,229 m²
Active Assembly Lines10+ Dedicated Lines
Production FlowFull In-House Control
Annual OutputUS$2.5M – US$5.0M

Integrated assembly floors equipped with precision thermal ovens, automated drilling, and custom soldering jigs.

Quality Assurance

Quality Inspectors4 Senior QA/QC Staff
Inspection ProcessIncoming, In-line & OQC
Burn-In Testing100% Full-Load Aging
Waveform CheckRigorous Oscilloscope QC

ISO 9001:2015 certified operations ensuring zero-defect shipment with complete trace records.

Global Trade Footprint

Export Experience23 Years Continuous
Primary MarketsNorth America & Europe
US Overseas HubStock in California, USA
Dispatch Reliability100.0% On-Time Delivery

Worldwide door-to-door delivery with flexible terms: FOB, CIF, EXW, FCA, CPT, and DDP.

Manufacturing Flow

Verified Production & Testing Workshop

Every power inverter, DC-DC converter, and rectifier is fabricated under rigorous standard operating procedures inside our audited workshop. Review our verified production stations below.

Raw material warehouse and component stock

Raw Material Warehouse

Classified inventory of top-grade MOSFETs, transformers, and copper inductors.

Precision PCB welding station

Welding Line 1

Precision through-hole component soldering and automated wave soldering process.

Secondary welding and PCB rework

Welding Line 2

Reinforced soldering for high-current terminal lugs and high-capacity capacitors.

Inverter assembly and wiring

Assembly Line 1

Chassis integration, heatsink mounting, and power transistor thermal insulation.

DC-DC converter internal wiring assembly

Assembly Line 2

Internal wiring harness connection and terminal block torque inspection.

Complete module integration workstation

Assembly Line 3

Display unit calibration, front panel fitment, and final casing screw locking.

Industrial thermal curing oven

Thermal Curing Oven

Conformal coating curing for moisture, salt-spray, and vibration resistance.

Custom enclosure drilling machine

Custom Drilling Center

Precision drilling and machining for tailored aluminum enclosures and heat fins.

Functional electrical testing bench

Function Test Bench

Automated electrical parameter check: input/output, efficiency, and safety cutoffs.

DC-DC converter parameter testing

DC-DC Function Check

Dynamic voltage regulation, ripple assessment, and short-circuit protection test.

Full load aging test racks

Full-Load Aging Test

100% full-capacity burn-in testing under controlled ambient temperatures.

Thermal endurance burn-in room

Endurance Aging Room

Continuous thermal stress screening to eradicate early component failure rates.

Digital oscilloscope waveform analysis

Oscilloscope Analysis

Pure sine wave harmonic distortion (THD < 3%) and peak transient verification.

High precision multimeter calibration

Precision Meter Check

Accurate calibration of output current, voltage limits, and feedback sensors.

Outgoing quality control inspection

Final Quality Inspection

100% cosmetic examination, serial numbering, wiring polarity, and safety grounding.

Standard export seaworthy packing

Export Packaging Station

Reinforced foam inserts, anti-static barriers, and heavy-duty corrugated cartons.

Finished goods warehouse and logistics area

Finished Goods Warehouse

Fast-turnover storage prepared for bulk container loading or air freight dispatch.

Tailored Solutions

Custom Engineering & OEM/ODM Services

Whether you require minor modifications or an entirely custom power topology, Varnix Technology Co., Ltd. delivers turnkey engineering tailored to your regulatory and commercial needs.

Full Customization

Tailor topology from PCB schematic design to firmware controls. Specific input voltages (12V to 380V DC) and unique output configurations.

Firmware Tuning Custom Voltage Communication (RS485/CAN)

Enclosure & Housing

Custom extrusion molds, 19" rack-mount chassis (1U/2U/3U), waterproof potted enclosures (IP67/IP68), and bespoke surface treatments.

19" Rack Mount IP67 Waterproof Extruded Aluminum

Private Label & Packaging

Silk-screened company logos, laser-etched branding, customized multi-lingual manuals, barcode labels, and retail packaging boxes.

Laser Etching OEM Carton Custom Manuals
International Compliance

Certified Quality Management & Standards

Varnix products strictly adhere to global safety, electromagnetic compatibility, and environmental directives, facilitating smooth customs clearance and market entry worldwide.

ISO 9001:2015

Certified Quality Management System for power electronics research, development, and high-standard manufacturing.

Cert: HG22Q0708ROS

CE Certification

Compliant with Low Voltage Directive (LVD) and Electromagnetic Compatibility (EMC) standards for the EU market.

LVD & EMC Approved

RoHS (EU) 2015/863

Tested and certified free of hazardous chemical substances, fulfilling European environmental trade directives.

RoHS Tested

FCC Compliance

Conforms to Federal Communications Commission emission thresholds for telecommunication and consumer electronics.

FCC Part 15 Verified

Partner with an Audited Power Electronics Manufacturer

Contact our engineering and sales department today to request OEM catalogs, technical drawings, sample prototyping, or wholesale project quotes. Responses provided within 2 hours.

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