Generally, we offer 4000w inverters along with warranty service, within a limited period. Within the warranty period, if there is any quality problem due to poor workmanship or others caused by us, contact us. We offer return, replacement, as well as maintenance services. If the problems happen after the warranty expires or are caused by your improper use, you can also contact us. We will try our best to solve your problem, which is what our after-sales service is for.

With years of development, Wenzhou Xihe Electric Co.,LTD. has become a qualified manufacturer in China, specializing in research, design, fabrication as well as sales of 4000w inverters. 4000w inverters is the main product of Fangpusun . It is diverse in variety. We take steps to improve the quality of the product as much as possible. Applied in a photovoltaic system, it is absolutely pollution-free. This is a piece of good furniture that can be well lived with. It will stand the test of time, both aesthetically and performance-wise. Its temperature-controlled cooling fan helps reduce energy consumption.

Fangpusun 's customer service representatives are more than welcome to take your order. Ask!