What is the LVD instruction? LVD is the low voltage directive. The name of the directive: Council Directive 73 / 23 / EEC of 19 February 1973 on the h

Safety test is the test of the harm that the test product may bring to the user in the process of use. The judgment of safety test is mainly based on

Routine safety test: 1. Input test power test 2. Heating temperature rise test 3. Humidity test 4. Over load test 5. Leakage current measurements 6. V

Mechanical properties: The mechanical properties of materials refer to the mechanical characteristics of materials under various external loads (tensi

Safety regulation is the requirement of product safety in product certification, including the safety requirement of product parts and the safety requ