GCL System Integration Technology Co. Ltd (002506 Shenzhen Stock) (GCL S.I.) is part of the GOLDEN CONCORD Group (GCL), an international energy conglomerate specializing in clean and sustainable energy.

The Group, founded in 1990, now employs 30,000 people worldwide with business footprints across 31 provinces, municipalities and autonomous regions of mainland China, Hong Kong, Taiwan, as well as Africa, North America, Southeast Asia and Europe. GCL ranked third in the world's new energy Top500 2017.

GCL S.I. currently has operations all over the world and has five module production bases in mainland China and one in Vietnam, with production capacity of 6GW, and an additional 2GW of high-efficiency battery capacity, making it a world-class module producer. GCL offers a wide range of high-quality products for a variety of application environments, including modules of standard 60/72-piece, dual-glass, high-efficiency polysilicon PERC, and half-cell etc. All products underwent the most rigorous quality inspection and testing. GCL S.I. is rated as a global first-tier module supplier by Bloomberg ranking among the top six globally for three consecutive years. With a vertically integrated value chain operation, GCL S.I. has proven track record of capability and expertise in delivering state-of-the-art solar package solutions incorporating DESIGN-PRODUCT-SERVICE.