Baijian Testing is a professional third-party testing organization that provides relevant component testing and testing. It has a short cycle, excellent price, and issues national certification qualification reports. Display style: electronic version. Testing cycle: 3-15 working days (can be expedited). Qualification: CNAS, CMA, CAL, etc. Testing items: overload protection for transformers and related circuits, mechanical strength, labels and instructions, structure, moisture resistance, heat resistance, and flame resistance, screws and connections, Input power and current, abnormal operation, grounding measures, some items, heating, leakage current and electrical strength at working temperature, all parameters, some parameters, internal wiring, electrical clearances, creepage distance and solid insulation, power connections and external flexible wires, leakage current at working temperature, electrical strength at working temperature, markings and instructions, input power and current, classification, overload protection of components, transformers and related circuits, Protection against contact with live parts, leakage current and electrical strength at working temperature, leakage current and electrical strength, stability and mechanical hazards, terminal blocks, screws and connections for external wires, creepage distance, electrical clearance and through insulation distance, heat resistance, flame resistance and leakage resistance, rust prevention, protection against contact with live parts, electrical clearance, creepage distance and solid insulation, general conditions for testing, transient overvoltage, durability, radiation Toxicity and similar hazards, creepage distance, electrical gap and solid insulation distance, leakage current and electrical strength, all items, protection against contact with live parts (test refers to voltage indication test), mechanical strength (drop test and electrical strength test)

Testing standards:

1. GB 4706.99-2009 Safety of household and similar electrical appliances - Special requirements for thermal storage electric hand warmers 17

2 GB 4706.99-2009 Safety of Household and Similar Electrical Appliances - Special Requirements for Thermal Storage Electric Hand Warmers GB 4706.99-2009

3. GB4706.1-2005 "Safety of Household and Similar Electrical Appliances - Part 1: General Requirements"

4. GB4706.99-2009 Safety of Household and Similar Electrical Appliances - Special Requirements for Thermal Storage Electric Hand Warmers 27

5 GB 4706.99:2009 Safety of Household and Similar Electrical Appliances - Special Requirements for Thermal Storage Electric Hand Warmers

Testing Process Steps

1. Telephone communication and confirmation of requirements 2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is required