Guangdong Fuxin Technology Co., Ltd. (688662.SS) researches, develops, produces and sells semiconductor thermoelectric materials and components; thermoelectric systems; semiconductor thermoelectric application products including refrigeration and heating solutions; thermoelectric conversion energy products; electronic accessories; and medical devices, along with semiconductor thermoelectric technology services. The company offers specialized thermoelectric coolers (TECs) such as high-performance modules for optical communication including 10G DWDM, 100G/400G/800G optical modules, LIDAR, EDFA pump lasers and infrared detectors; cascade TECs generating over 100K temperature differences for CCD, IR-detection and photoelectric applications; customizable TECs; cycling TECs for thermal stress resistance; and thermoelectric generators using the Seebeck effect for waste heat recovery in industries like incineration, steel smelting and new energy sectors. Founded in 2003 and headquartered in Foshan, Guangdong Province, China, at No. 20 Keyuan 3rd Road, Shunde High-tech Zone (Ronggui), the company operates primarily in China with products applied across consumer electronics, communications, biomedicine, automotive, industrial, aerospace defense, oil and gas mining, and other fields; it listed on the Shanghai Stock Exchange STAR Market on April 1, 2021, holds a controlling stake in Chengdu Wanshida Porcelain Industry Co., Ltd., and maintains R&D centers recognized as a Guangdong Provincial Enterprise Technology Center and Semiconductor Thermoelectric Technology Engineering Research Center. Recent developments include a share repurchase program authorized in February 2024 totaling CNY 30.49 million reflecting management confidence; a group of buyers agreeing to acquire a 3% stake from Richly World Investment Limited for CNY 80.8 million; and shareholder reductions by controlling shareholders Liu Fukun and Liu Fulin in July 2025 crossing the 1% equity threshold, alongside semi-annual 2025 revenue of CNY 270 million up 6.94% year-over-year despite a net profit decline.