Q1. Does your company also provide other solar products except solar inverter/ solar charge controller/ solar system?

A: Yes, we also provide other solar products, like mono solar panel, poly solar panel, off grid solar inverter, on grid inverter, battery, portable solar system, solar charger and other accesories related to the solar power system. 

Q2. How to choose a right controller?

A: Contact me (Ariel Phone/whatsapp/wechat:+86 150 1946 1068 Skype:ariel.dfn ) and tell me your demand, then I will recommend a suitable controller to you.

Q3. How about the delivery time?

A: 7 days for sample; 25 days for bulk order. 

     For urgent case, pls advise firstly then I will try to help you with the best production time.

Q4. How to proceed an order for MUST products?

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.

Q5. Is it OK to print my logo on MUST product?

A: Yes, OEM ARE WELCOMED. Please inform us formally before our production and confirm the design firstly based on our sample.

Q6: Do you offer guarantee for the products?

A: Yes, we offer 1 year warranty to our products.

Q7: 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 0.1%.
Secondly, during the guarantee period, we will send new products 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.