"Solar Master International Investment Holding Co., Ltd." (hereinafter referred to as "Solar Master Investment Holding") originated from "Hsing Yi Technology," which was established in Xinzhuang in 1999 by the founder, Chairman Tsai Tsung-jung, to produce off-grid, grid-tied, and energy storage solar systems for export abroad. In 2003, he further founded "Cheng Yi Technology," which was originally dedicated to the design, production, and installation of energy-saving lighting fixtures, and was transformed into "Solar Master Energy" in 2012 to undertake solar power system installation engineering. Additionally, in 2010, "Chao Yang Technology" was newly established to engage in the trading of solar panel raw materials and materials, as well as acting as an agent for related equipment. "Solar Master Investment Holding" was established in 2018, integrating "Solar Master Energy" and "Chao Yang Technology" in preparation for listing.

"Solar Master Investment Holding" has been deeply rooted in the solar photovoltaic field for over 20 years and is a professional solar power system provider in Taiwan. Its business scope is divided into four main pillars: solar power system "Engineering, Procurement, and Construction (EPC)", "Power Plant Investment", "Operation and Maintenance (O&M) Management", and "Energy Storage Systems," and it independently develops solar photovoltaic components such as modules, mounting systems, and inverters, marketing them to the international market under the dual brands of Solar Master and Power Master.