Transformer Quality Inspections

Hire our specialized quality engineers on-site at the transformer factories in Asia

10+ Years

At the PV and BESS Factories in Asia

17.6+ GW

Zero Risk Solar® Projects

14,800+ 

Community

250+

PV & BESS Factories Audited

Why Choose Sinovoltaics Transformer Quality Inspections?

Buyers of PV Transformers hire Sinovoltaics for their Transformer Quality Inspections at the factories in Asia. Our highly qualified auditors, accredited by IRCA and specialised in transformers, conduct meticulous assessments of factory operations and production procedures. With a keen eye for detail, our auditors thoroughly examine every aspect to identify non-compliances, deficiencies, or issues hindering smooth production.


On-Site Transformer Quality Inspections

Service includes:

  • Pre-production factory audit:

      1. Factory management review

      2. Review of IQC, IPQC, and FQC

      3. System (factory) and product (grid code) standard  compliance

      4. Configuration of manufacturing and testing equipment

      5. Review of manufacturing processes

  • Raw material verification
  • Factory Acceptance Testing (FAT) witnessing

      Witnessed pre-shipment final acceptance tests include:

      1. Insulation test of the main circuit

      2. Insulation test of auxiliary and control circuit

      3. Grounding continuity test

      4. Check of correctness of the wiring connection

      5. Check of design and appearance

      6. Temperature rise test

  • Finished goods management

Order Inspection

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JSHP Transformer | HUAWEI | SUNGROW | SOFAR SOLAR | GROWATT | INVT | CHINT POWER | TAIIKAI

Quality Inspection Expertise

  • PV Modules
  • Mounting Systems
  • Inverters
  • Solar Cells
  • Trackers
  • Transformers
  • Turnkey Stations



  • Cables
  • Charge Controllers
  • Cleaning Robots
  • Combiner Boxes
  • DC Disconnects
  • Floats (Floating PV)
  • Solar Street Lights

Assuring solar PV and energy storage quality on-site in Asia-Pacific for over 10 years...

Since 2009, our Solar PV and Battery Energy Storage quality engineering and audit team have helped companies worldwide assure the quality of their purchases in Asia.

Sinovoltaics is proud to work with the leading solar farm developers, financiers, and insurers in the solar PV and battery energy storage industry in over 45 countries. 

Headquartered in Hong Kong, with offices in Shanghai and Ho Chi Minh City and local quality inspection and audit teams in India, South Korea, Thailand, and Türkiye, we are strategically located close to all solar PV component and battery energy storage manufacturing bases and shipping ports in Asia.

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