Sunway International Holdings Limited, an investment holding company incorporated in Bermuda in 1998 and headquartered at 3/F, Mandarin Commercial House, 38 Morrison Hill Road, Wan Chai, Hong Kong, primarily manufactures and sells construction materials in the People's Republic of China. The company offers prestressed high-strength concrete pipe piles, ready-mixed commercial concrete, autoclaved sand-lime bricks, aerated concrete products, and ecological permeable concrete products; it also engages in property development activities. Operations focus on the PHC piles segment and other products, targeting construction and infrastructure projects in China with approximately 258 employees. In November 2024, the company completed a major share subscription and issuance of HK$22.677 million in 2024 convertible notes to Wealthy Port Holdings Ltd at an initial conversion price of HK$0.1 per share, alongside a mandatory general offer, raising net proceeds of approximately HK$10.3 million for general working capital; as of June 2025 interim results, it maintains outstanding 2014 convertible notes of HK$15 million and reported revenue of HK$98.234 million with ongoing efforts to improve liquidity amid material uncertainties.