Common Problem

  • Can I have a sample order ?

    Yes, we welcome sample order to test and check quality. 1pc for sample checking is available. Mixed samples are also acceptable.

  • Do you accept purchase orders?

    Yes. We will happily accept purchase orders. Purchase orders must be signed, bona fide documents that specify both a shipping and billing address, PO Number, and all relevant costs, including quantity, part numbers, product prices, shipping and handling, and taxes (if applicable). To place an order by purchase order we must receive the purchase order by fax, email. You may email your purchase order to

  • Can you provide a complete solution to me ?

    Dongzi Company is a company with more than 10 years of professional experience in the field of pulsed strong ultraviolet light. It can customize various solutions for you, such as: hospital solutions, hotels, schools, public places and other comprehensive disinfection solutions. It is necessary to communicate in advance through telephone and email to customize the corresponding plan.

  • How do you ship the goods and how long does it take to arrive?

    It takes 2-3 days for customs declaration, 5-7 days for air cargo, and 20-30 days for sea freight.

  • What payment options do you accept for online purchases?

    We accept PC, Visa, T/T, L/C, D/A, D/P, Western Union, MoneyGram, and PayPal for online purchases. We also accept Money Orders, Cashier's Checks, Corporate Checks, and Personal Checks if you are submitting an order via mail. Personal checks require a 3-5 Business Day hold time for check to clear.

  • How to proceed an order for your products?

    1st, let us know your requirements or application. 2nd, We quote according to your requirements or our suggestions. 3rd, customer confirms the samples and places deposit for formal order. 4th, We arrange the production.

  • Is it OK to print my logo on the product?

    Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

  • Do you offer guarantee for the products?

    Yes, we provide 1 year warranty for our products.

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