GB/T 19212.8-2012 Safety of power transformers, power supplies, reactors and similar products - Part 8:Particular requirements and tests for transformers and power supplies for toys
2013GB 19212.17-2013 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1100 V.Part 17 : Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units
2006GB 19212.18-2006 Safety of power transformers, power supply units and similar. Part 18: Particular requirements for transformers for switch mode power supplies