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

Sample needs 3-5 days, mass production time needs 1-2 weeks for order quantity more than

Low MOQ, 1pc for sample checking is available.

We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.

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.

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

Yes, we offer 5 years warranty to our thermostat.

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 thermostat 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.