Guangdong Sanhe Pile Co., Ltd. engages in the research, development, production and sale of prestressed high-strength concrete pipe pile (PHC) products in China. The company offers a comprehensive range of pile products, including precast high-strength concrete thin-walled steel pipe piles; expanding piles; pre-tensioned prestressed high-strength concrete pipes, high-strength concrete corrosion-resistant pipe piles, diamond piles and high-strength concrete pipe piles; prestressed high-strength concrete uplift piles, concrete tubular bodies for foundation treatment, square piles and concrete hollow supporting piles; as well as centrifugal prestressed concrete precast enclosures. It also provides prefabricated products such as prefabricated architecture, water conservancy and municipal administration components, rail transit products and electric power engineering solutions; these products serve infrastructure projects in industrial, civil architecture, municipal engineering, transportation, power and water conservancy sectors. Founded in November 2003 and headquartered in Zhongshan, Guangdong province, the company operates approximately 20 production bases across provinces including Guangdong, Jiangsu, Zhejiang, Fujian, Hunan, Hubei, Liaoning, Shandong, Shanxi and Anhui, supported by dedicated transportation subsidiaries for product distribution. In recent developments, its controlling shareholder Guangdong Sanhe Building Materials Group completed a shareholding increase of 1.41% in the company as of May 2025, investing nearly CNY 50 million; the company participated in Belt and Road Initiative projects in Indonesia and Bangladesh, including the North Kalimantan Electrolytic Aluminum Project and a 100MW photovoltaic project; it terminated a planned investment in a 6 million meter PHC intelligent production base in Huzhou's Nanxun District; and it established Hunan Sanqi New Materials Co., Ltd. with partners, venturing into semiconductor-related equipment manufacturing and sales.