Q: When will you arrange the production?

A: We usually arrange the production immediately after receiving your payment if we have the item in stock. Otherwise, please confirm with us for lead time. 

Q: What voltage range can you support?

A: 1.single 220v input three-phase 220v output.

    2.three-phase 220v input three-phase 220v output.

    3.three-phase 380v input three-phase 380v output

    4.Single-phase 380v input three-phase 380v output

    5.Single 220v input three-phase 380v output

    6.220v/380v/480v/690v/1140v

Q:How to ensure product quality?

A:Our production strictly follow ISO9001 quality control system. After four times quality inspect and high temperature testing we will print "QA" pass.

Q: Do you accept OEM business?

A:We accept OEM and ODM with your authorization.

Q:Can I have a sample order?

A:Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.

Q:What about the lead time?

A:Sample needed 3-5 days, mass production time needed 1-2 weeks.

Q:Do you offer guarantee for the products?

A:Yes, we offer 18 months warranty.