1.For pre-sales services, we have a professional sales and technical team willing to answer your questions within 24 hours.

2.For after-sales service, we will show you how to install, use, and replace damaged switches, and we can also send the technology to your country or region.

3. All goods will undergo testing before shipment. If this happens, please recheck all connecting cables until a problem occurs. We can replace the switch. Generally speaking, our switches will not have any serious issues, so you can purchase them with confidence. The quality assurance period is approximately one year (12 months) after delivery. We respect every customer as our friend, and we sincerely do business and make friends with you.