Core Insights - Tongwei Solar has obtained a patent for a high-efficiency silicon heterojunction solar cell and its preparation method, with the patent number CN112802910B, applied for on February 2021 [1][2] Company Overview - Tongwei Solar (Chengdu) Co., Ltd. was established in 2011, located in Chengdu, with a registered capital of 540 million RMB. The company has participated in 362 bidding projects, holds 14 trademark records, and has 882 patents, along with 830 administrative licenses [1] - Tongwei Solar (Hefei) Co., Ltd. was founded in 2010, based in Hefei, with a registered capital of 215 million RMB. The company has engaged in 490 bidding projects, possesses 5 trademark records, and has 435 patents, in addition to 21 administrative licenses [1] - Tongwei Solar (Jintang) Co., Ltd. was established in 2020, also located in Chengdu, with a registered capital of 100 million RMB. The company has participated in 271 bidding projects, holds 97 patents, and has 313 administrative licenses [2] - Tongwei Solar (Meishan) Co., Ltd. was founded in 2019, situated in Meishan, with a registered capital of 450 million RMB. The company has engaged in 177 bidding projects, possesses 424 patents, and has 236 administrative licenses [2] - Tongwei Solar (Anhui) Co., Ltd. was established in 2013, located in Hefei, with a registered capital of 80 million RMB. The company has participated in 98 bidding projects, holds 475 patents, and has 9 administrative licenses [2]