SUZHOU, China: On June 4th, TÜV Rheinland officially released the LeTID standard at the Shanghai SNEC exhibition, making GCL System Integration (GCL SI) the first among five companies awarded with the LeTID certificate based on 2 PfG 2689/04.19, an internal standard set by TÜV Rheinland. “Being one of the few solar cell and module producers with the […]