Generally, the sample of solar panels is provided by Sunfree Lighting Limited without the exemption from freight fee. Taking the distance between export destinations and the port and other overhead expenses into account, the cost of delivering the sample may be higher than the unit price of the sample itself. From delivering the sample out of the factory to customers' hands, the whole manufacturing process can be completed requiring the combined efforts of a great number of people including warehousemen, shippers, and after-sales service staff. The cost of manpower is necessary.
With the development of society, the reputation of Sunfree in the solar street light market has been improved. Sunfree provides a wide range of led street light for customers. Sunfree solar panels is produced with advanced equipment. It is processed by water-resistant testing machine, steamer, washing machine and special vacuum cleaning equipment for textile. The product is not prone to rust. The presence of the stable film prevents corrosion by acting as a barrier that limits oxygen and water access to the underlying its surface.
As a responsible organization, our company is actively involved in CSR & preserving environment projects for the well-being of the community.