Is solar powered ventilation fan tested before shipment?

Pre-shipment inspection (PSI) is one of the many quality control tests conducted by Ningbo Sunny Photoelectric Technology Co Limited.. This inspection is based on standard QC testing or on customer request. Based on these criteria and procedures, samples are randomly selected and defects are checked. For us, pre-shipment inspection is an important step in the quality control process and a way to check the quality of the solar powered ventilation fan before shipment.

As an influential enterprise, SUNNY plays an important role in the Solar Ventilation Fan field. Sunny's main products include 100% Solar Air Conditioner series. Our portable solar power generator can be a great help in solar powered portable charger. The system is compatible with 50Hz and 60Hz power so can be used anywhere in the world. Sunny's customer service team continuously provides excellent service to customers. Its PV panel is capable of withstanding high winds.

Doing its utmost to serve customers has always been the ultimate goal of SUNNY. Ask!