“Varnix Technology Co., Ltd. supplied 48VDC pure sine wave telecom inverters for our base station rollout. Every unit passed our internal QA with spotless waveform stability and exact voltage regulation. Delivery was on schedule.”
Reputation & Performance
Factory-Direct Quality Benchmarks
Our commitment to ISO 9001:2015 standards, 100% full-load burn-in aging, and prompt engineering support ensures dependable power electronics for global distributors and OEMs.
Client Feedback
What Global Purchasing Managers Say
“We sourced customized 24V to 12V 40A step-down converters with aluminum enclosures. Communication from their engineering team was flawless, CE documentation arrived ahead of delivery, and the defect rate remains zero across 400+ installed units.”
“High-efficiency MPPT tracking, rugged chassis, and clean LCD diagnostic panels. Varnix provided sample testing units before batch production, meeting all AS/NZS technical compliance needs.”
“The waterproof potting and thermal dissipation on their boost converters are outstanding. Having regional inventory options shortened our prototype cycle significantly.”
Manufacturing Integrity
Onsite Quality Control & Testing Workstations
Every order undergoes rigorous validation across 10+ production lines and a certified 1,229 m² facility verified onsite by SGS.
Stage 01
Material Screening
Rigorous IQC verification of transformers, MOSFETs, capacitors, and terminal blocks against strict BOM tolerance limits.
Stage 02
SMT & Hand Welding
Precision PCB assembly, wave soldering, and mechanical enclosure drilling executed under ESD-protected environments.
Stage 03
Function Check & Waveform
Multi-parameter inspection evaluating pure sine THD, continuous load handling, over-voltage, and thermal protection trip curves.
Stage 04
Full Burn-in Aging
100% full-load thermal burn-in aging test to eliminate early-stage component infant mortality before final packing.
Inside Our Workshop & Test Lab
Real-time equipment photographs verified during comprehensive factory audits:
Raw Material
Welding 1
Assembly 1
Assembly 2
Welding 2
Function Test
Assembly 3
Aging Test
Inspection
Packing
Finished Goods
Oven
Drilling Machine
Function Check
Aging Test
Oscilloscope
Multimeter