Every Chibo unit is produced under a fixed verification sequence — document control, 6S workshop discipline, raw-material inspection, in-process control, calibrated testing, non-conformance handling, and final inspection — against named GB and IEC standards.
| Standard | Scope | Applies To |
|---|---|---|
| ISO 9001 | Quality management system — process control, documentation, continuous improvement | Full manufacturing operation |
| GB1094.1.2-1996 | General requirements — power transformers | Oil-immersed transformer range |
| GB1094.3-2003 | Insulation levels, dielectric tests, external clearances | Oil-immersed transformer range |
| GB1094.5-2003 | Ability to withstand short-circuit | Oil-immersed transformer range |
| GB1094.11-2007 | Dry-type power transformer requirements | Cast resin dry-type range |
| IEC60076 / IEC60076-11-2004 | International power transformer standard family, incl. dry-type | Full transformer range |
| GB/T6451-2008 | Energy-efficiency / loss limits for oil-immersed distribution transformers | S11 / S13 / Amorphous series |
| GB/T17467 | HV/LV prefabricated substation construction standard | YB-series compact substations |
| # | Commitment | Detail |
|---|---|---|
| 1 | Warranty Period | 1-year warranty across dry-type, oil-immersed, special transformers, box-type substations, and HV/LV electrical equipment |
| 2 | In-Warranty Failure | Free maintenance or replacement for any failure caused by product quality within the warranty period |
| 3 | 24-Hour Hotline | Handling response issued within 8 hours of a logged complaint; treatment scheduled at 24h / 48h or a time agreed with the customer |
| 4 | Outage Response | On-site within 24 hours (accessible areas) or 48 hours (remote areas) for any power cut caused by a product contingency |
| 5 | Lifelong Service Principle | Service continues past warranty expiry on a service-cost-only basis — no re-purchase requirement |
| 6 | Environmental Recycling | Free recycling and environmentally responsible treatment of scrapped cast-resin transformers |
| 7 | Technical Support | Accurate, timely response on application conditions, ordering conditions, and design questions across pre-sale, sale, and after-sale stages |
Our systems engineers can walk through GB1094 / IEC60076 compliance for any unit in the range before you commit to spec.