Perguntas frequentes
  • Q1: What does mean time between failures (MTBF) mean?

  • A:

    MTBF is the “Mean Time Between Failure” and is a measure of a products reliability. It applies to repairable systems, whereas a similar MTTF (Mean Time to Failure) is used for non-repairable systems. The value can be useful in comparing different designs, but not as a direct estimate of a products e[……]

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  • P2: Qual é a diferença entre uma fonte de alimentação Classe I e Classe II?

  • A:

    An IEC Class I power supply has an ac safety ground connection and thus is allowed to have only a single layer of insulation between the user and hazardous voltages. An IEC Class II power supply does not have an ac ground connection and uses double or reinforced insulation between the user and hazar[……]

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  • Q3: What are 60601-1, 62368-1, 61347-1 and 60335-1 safety standards?

  • A:

    IEC 60601-1 is a set of safety regulations governing medical electronic products. IEC 60335-1 is a set of safety regulations governing household electronic products.
    IEC 61347-1 is a set of safety regulations governing lighting products.
    IEC 62368-1 is a set of safety regulations governing interne[……]

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  • Q4: Can we get a free sample?

  • A:

    Yes,We offer free samples for qualified OEM business and at the discretion of QINX GROUP.

    [……]

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  • Q5: Cada um dos seus produtos será testado antes do envio?

  • A:

    Yes, each of our Power Adapters,Battery Chargers and LED Drivers will be strictly tested before shipping. The last four processes of testing is Open Frame Performance Testing — Plastic Housing Integrated —- 4-hour Aging Testing — Drop Testing —- Final Performance Testing — Packaging.[……]

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  • Q6: Qual é a garantia dos seus produtos?

  • A:

    We offer 3 years guarantee for our Battery Chargers, Power Adapters and LED Power Supplies, at the same time if the products was damaged undesigned, we are willing to replace unconditionally.[……]

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  • Q7: Do You Have Some New Product Coming?

  • A:

    We are a power company with 20 years of production experience. At present, we have chargers and adapters 5-350W and LED drivers 6-400W. Now we are designing 500W chargers and 7KW car chargers, which can be put into production soon.[……]

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  • Q8: What can you do if the product is broken?

  • A:

    We promise to replace new ones to you if there is any defective happen during the warranty period.We promise to replace new ones to you if there is any defective happen during the warranty period.[……]

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  • Q9: What’s the MOQ?

  • A:

    Our MOQ is 100pcs.[……]

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  • Q10: Can i get products with my logo?

  • A:

    Sure, you can, MOQ is 500pcs.[……]

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