13528507673   sales22@d-fan.com.cn
FAQ
You are here: Home » Support » FAQ

FAQ

  • Q How stable is your company's products?

    A Our company's ball bearing products all use Japanese original NMB balls, which guarantee absolute stability in terms of noise and life indicators.
  • Q When the product is abnormal, can your company handle it properly in time?

    A
    Our cooling fans are fully inspected by QC during the production process, and then sampled by QA after the full inspection. To the greatest extent, we can guarantee that the products we deliver to customers are satisfactory and problem-free. When there is a problem with the product, we have dedicated quality engineers for checking and quick response. Through professional analysis, find the problem and solve it, fully responsible for the customer.
     
  • Q What services can your company provide?

    A
    Our company will provide 7*24 hours of online service in the after-sales service. If there is any problem, we will arrange a specially assigned person to deal with it as soon as possible; in the value-added service, we will provide free sample delivery and door-to-door delivery to assist customers in testing samples and provide free heat plan consultation; VIP service (top 10 annual sales, timely payment, monthly payment of more than 35.000 USD.) Engineers will be provided to assist in development, provide technical training services, proofing priority, priority delivery, priority order, special personnel docking, new products and new Technology is recommended first.
     
  • Q Can I get a sample of the frameless DC fan for testing?

    A Yes, we offer free samples of our frameless DC fans for testing, allowing you to evaluate their performance before making a purchase decision.
  • Q Where are frameless DC fans commonly used?

    A Frameless DC fans are widely used in CPU coolers, induction cookers, air purifiers, and other space-constrained products. They are typically matched with heatsinks for optimal cooling performance.
  • Q What sizes are available for frameless DC fans?

    A The frameless DC fans come in sizes ranging from 25mm to 120mm, offering flexibility for various applications and space constraints.

Products

> DC Axial Fan            > DC Blower 
> AC Axial Fan            > EC Axial Fan 

About Us

Support

> Service            > FAQ 
> Download      > Video

Quick Links

> Home                        > About Us 
> Products                   > Solutions 
> R&D Center              > Support 
> News Center            > Contact Us
Leave a Message
Contact us
Copyright © 2024 Dongguan Xingdong Electronics Co., Ltd. | Sitemap