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    How do I apply for a refund if I use a personal account to pay?
    How to export purchase orders?
    How to check the price of the license?
    Is it possible to customize the hotspot name of the product?
    How can I buy testing modules from Tuya?
    How to buy samples? Do samples support bulk purchase? How to pay for sample order?
    How do I download the contract of a mass production order ?
    How do I view order information after payment?
    I want to purchase Tuya modules as prototypes, why is the number limited to more than 20?
    What does "profile" refer to in the data confirmation page?

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