Best Portable Solar Inverter 4kw for Singer Phase for Solar Air Conditioner

Our Services:

•  OEM Welcomed (more than 100pcs)
•  Warranty: 5 years, extension to 10 years available
•  Certifications can be supported
•  Sample for testing is supported
•  After-Sale Service: 24 Hour-Hot Line for Consultancy and Technical Support

A:if you do worry about the payment safety, we recommend 30% as deposit, the rest before delivery, we will provide the pictures and video for you check after we finish the cargos.

For large orders, we recommend the third party inspection, we can arrange to delivery goods on site after your inspector inspects the goods 

Q2:How To Ask for Support if product failure in warranty?
A:1. Email us about the PI number, serial number, product S/N number, PCB board number most importantly, is the description of failure products on the condition that it is operated correctly, to the best, show us more detailed pictures or video.
2. We will submit your case to our after-sales department to satisfy your demand. However, we believe our quality, and I believe if any quality problem, you can get the refund from our company directly.
3. Usually, within 24 hours, we will email you the best solutions.