PWM dc adjustable power inverter fan speed controller for motor air cleaner 

Dc Motor Speed Controller,Switch Voltage Regulator Product 

 

Q1. Can I have a sample order for speed controller ?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.

Q2. What about the lead time?
A:Sample needs 3-5 days, mass production time needs 4-5 weeks for order quantity more than

Q3. Do you have any MOQ limit for speed controller order?
A: Low MOQ, 1pc for sample checking is available

Q4. How do you ship the goods and how long does it take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.

Q5. How to proceed an order for speed controller ?
A: Firstly let us know your requirements or application.
Secondly We quote according to your requirements or our suggestions.
Thirdly customer confirms the samples and places deposit for formal order.
Fourthly We arrange the production.

Q6. Is it OK to print my logo on speed controller product?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Q7: Do you offer guarantee for the products?
A: Yes, we offer 2-5 years warranty to our products.

Q8: How to deal with the faulty?
A: Firstly, Our products are produced in strict quality control system and the defective rate will be less than 0.2%.
Secondly, during the guarantee period, we will send new lights with new order for small quantity. For defective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.