For every manufacturer including Wenzhou Xihe Electric Co.,LTD., quality assurance is important for building a reputable brand and gaining the trust of customers. Before shipping the 48v solar charge controller out of our factory, our quality checkers will perform multiple tests on the finished products, thereby, ensuring its stable chemical properties and outstanding physical performance to meet the requirements of the industry and international standards. Once defective products are found, they will be sent to the manufacturing workshops for re-processing immediately. They can't leave the factory until they fully meet the quality standards.

Fangpusun is a professional provider for Inverter 1 with its own independent factory. Fangpusun 's main products include 48v solar charge controller series. The product has the needed stretch. Its fabric shows proper elasticity without exposing elastic fibers or broken stitches during the stretch test. It will automatically shut down to prevent the generated energy from harming people when there is a blackout. The product finds a broad range of applications due to these features. It will automatically shut down to prevent the generated energy from harming people when there is a blackout.

Our company aims to be a long term, reliable supplier with a wide product range and solid product quality. We will put more effort into improving our manufacturing abilities.