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Constant Voltage Transformers, Autotransformers, Power Transformers, Power Supplies and Similar Products, General Purpose Isolation Transformers, Control Transformers, Isolation Transformers, Shaver Transformers, Safety Isolation Transformers, Transformers for Switching Power Supplies...

**Certification Scope:**
CQC Voluntary Certification, Energy Efficiency Certification, CB, CE, ENERGY STAR, SASO, PSE...

**Testing Scope:**
Safety, Performance, Energy Efficiency, EMC (Electromagnetic Compatibility), Environmental Adaptability, Reliability Testing...

**Testing Standards:**

**Domestic Standards:**
- GB 19212.13-2005
- GB 19212.1-2003
- GB 19212.2-2006
- GB 19212.3-2006
- GB 19212.5-2006
- GB 19212.7-2006
- GB 19212.18-2006
- ...

**International Standards:**
- IEC 61558-2-12
- IEC 61558-2-13
- IEC 61558-1
- IEC 61558-2-1
- IEC 61558-2-2
- IEC 61558-2-4
- IEC 61558-2-5
- IEC 61558-2-6
- IEC 61558-2-17
- ...

These standards ensure that transformers and related products meet stringent safety, performance, and environmental criteria, both domestically in China and internationally through recognized standards such as those from the IEC (International Electrotechnical Commission).