GridoraPower Power Infrastructure Supply

Quality & Certifications

Every transformer is engineered, type-tested and documented to the standards North American utilities require.

Certifications

Certified for North America and beyond

10 kV and 35 kV distribution transformers and box-type substations have obtained IEC, UL, TÜV, CE, KEMA and GOST certification, and the manufacturer holds ISO 9001/14001/45001 and SA8000 system certification.

UL CSA CE IEC KEMA GOST ISO 9001 ISO 14001 ISO 45001 DOE 2016 CSA 2023
What we certify

Documented at every level

System & quality

ISO 9001 (quality), ISO 14001 (environmental) and ISO 45001 (health & safety) management systems, plus SA8000 and provincial metrology qualification.

Market access

UL (US), CSA (Canada), CE (EU), IEC, KEMA (Netherlands), GOST and TÜV — distribution transformers and box-type substations certified for international markets.

Efficiency

Export units built to DOE 2016 efficiency for the US and CSA 2023 efficiency for Canada.

Product certification

Product certification certificates and energy-saving product certificates across the transformer range.

Explosion-proof

Explosion-proof conformity certificates for mining transformers operating in hazardous environments.

Type-test reports

Type-test reports for oil-immersed, dry-type and current transformers, issued by CMA- and CNAS-accredited laboratories.

Tested to prove it

Proven in a 500 kV test hall

An in-house 500 kV test hall with impulse and high-voltage test equipment supports routine, type and special testing.

Independent verification is carried out at the National Transformer Quality Supervision & Inspection Center, the Wuhan Branch of the China Electric Power Research Institute and the Suzhou Electric Science Research Institute. The KEMA-certified SFZ-250000 kVA 345/34.5 unit fully adheres to international electrical-equipment standards.

In-house 500 kV high-voltage test hall
With every order

Documentation supplied with your order

  • Type-test reports and certificates of compliance
  • DOE 2016 / CSA 2023 efficiency statements
  • Dimensioned drawings and nameplate data
  • UL Certificates of Compliance / CSA field-evaluation reports, where applicable

Warranty & after-sales

Products are built strictly to national and relevant industry standards and carry a one-year free warranty under a “three guarantees” policy. Defects from non-human factors are replaced unconditionally, spare parts are supplied at cost price, and on-site response is rapid under a “quality first, customer first” principle.

Need certificates for a submittal?

Tell us the unit and standard you're submitting to — we'll provide the certifications and type-test documentation you need.

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