The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Wenzhou Xihe Electric Co.,LTD.. With no exception, sine wave inverter is also inspected for quality control prior to shipment. This inspection is based on the product's Standard Acceptable Quality Limit specification or on customer request. Based on these criteria and procedures, samples are randomly selected and defects are checked. The Pre-Shipment Inspection helps both ourselves and customers to reduce the potential risk of delivery delay or/and fix or redo products. At last, the product will be photographed to ensure that the order is in perfect condition, complete, and properly packaged for shipment.

Fangpusun charge controller is engaged in top excellent production of sine wave inverter. The sine wave inverter is one of the main products of Fangpusun charge controller. Performance of sine wave inverter is significantly improved after Fangpusun charge controller start using sine wave inverter materials. It provides great flexibility because it is not restrained by region. The product is tested for many times to ensure that it is of great durability and stability. Without the need for fuel consumption, it generates no pollution.

We strive to anticipate customer needs and strive to say 'yes' to each request. We deliver exceptional quality at speeds and values ​​that exceed expectations, leaving us with peace of mind. We strive to make all our customers win. Check now!