Shih Her Technologies Inc. (3551.TWO) engages primarily in precision cleaning and professional reborn treatment services for manufacturing equipment parts in the semiconductor, optoelectronic, and solar energy industries. The company offers core services including mechanical and chemical cleaning procedures; repair and maintenance for semiconductor, display, and optoelectronics equipment (PMO services); pump maintenance and cleaning such as dry pump and cryo pump overhaul; import and export trading of high-tech equipment and components; and processing and new product manufacturing for high-tech equipment parts, supporting specific tools and chambers like Versa-TTN, HOT AL, Producer, Vector, TRIAS, TA, CU, ICP, Mattson, E-Max, LHKA, and PIQ Chamber among others. Founded in 1977 and headquartered at No. 18 Renzheng Road, Hukou Township, Hsinchu County, Taiwan, it operates domestically and exports to markets in Asia and the Americas, with subsidiaries including Dongguan Shi Ping Optoelectronics Technology Co., Ltd. in China and prior investments in Shih Ju Techs (Hefei) Co., Ltd. Recent developments include facility expansions with the acquisition of factories in Hsinchu Industrial Park, Tainan Technology Industrial Park, and Dongguan as of 2014-2015, alongside capital increases to NT$575 million through convertible bond conversions, positioning the company to meet growing demand in high-tech manufacturing precision services.