Guolong Solar has a first-class management team and technical team, equipped with the world's advanced fully automated battery production line. Each process is equipped with professional quality and technical engineers. High quality raw materials, stable leading production process, strict and perfect manufacturing process and management system, to ensure that Guolong's products with good quality and excellent performance.
The single and multi crystalline solar cells produced by Guolong Solar have been widely recognized by the industry and customers for their high conversion efficiency, high reliability and long life.
Unique cashmere making process can significantly improve the short-circuit current of solar cells;
The exquisite diffusion technology makes the thin layer resistor more uniform, which is beneficial to reduce the series resistance of solar cells and enhance the open circuit voltage of solar cells, and improve the photoelectric conversion efficiency of solar cells;
The stable wet etching process and the ozone anti PID process ensure the reliability and anti-aging of the solar cells;
The advanced tube type PECVD multilayer silicon nitride film process has the advantages of uniform color concentration, good passivation and anti reflection effect, and greatly improves the efficiency of solar cells;
Screen printing with international advanced production line, high productivity and good stability, and the well-known foreign silver paste, high conversion efficiency, welding, aging and reliability, can fully meet customer requirements for battery performance.