GCL Perovskite said it has completed a Series C1 funding round, raising nearly CNY 500 million to advance its gigawatt-scale perovskite tandem production line in Kunshan, Jiangsu province. Goldstone Investment led the round, with support from Kunshan Hi-Tech Group, HongShan Capital Group, and Hangyang Capital. The production line is set to be completed by 2025. GCL holds the world record for the largest commercial-sized perovskite tandem module, achieving a stable 26.36% conversion efficiency across a 2㎡ panel.