Core Viewpoint - JunDa Co., Ltd. (02865) has seen a stock price increase of over 7%, currently at 16.73 HKD, following the announcement of advancements in its perovskite battery technology [1] Group 1: Company Developments - JunDa Co. has confirmed that its perovskite battery is still in the research and development phase, but has successfully achieved the first industrialized TOPCon + perovskite tandem battery, measuring 210×105mm, at its Chuzhou base [1] - The perovskite team at JunDa independently developed and completed the entire process for the battery, marking a significant step in the industrialization verification of tandem batteries [1] - The company has established a stable production area and small batch shipping capability for its perovskite batteries [1] Group 2: Production Capacity - Guozheng International reports that JunDa's TOPCon production capacity is 44.4 GW, with two production bases located in Anhui Chuzhou and Jiangsu Huai'an, each with a capacity of 22.2 GW [1] - The Anhui Chuzhou production base is one of the first in the world to achieve large-scale production of TOPCon batteries [1] - Both production bases utilize efficient automated production processes and have the capability to rapidly expand production capacity, with construction completed in 4-5 months [1] Group 3: Future Potential - JunDa's existing production bases have room for technological upgrades to adapt to new technology routes [1] - If TBC batteries achieve large-scale production in the future, the current production lines can be modified to produce TBC batteries, enhancing investment returns [1]