CT Vision S. L. (International) Holdings Limited, an investment holding company, engages in the building construction, renewable energy, e-commerce, building information modelling, and sale of piles businesses in Hong Kong, the People's Republic of China, and Saipan. It undertakes foundation works, including mini-piling, percussive piling, rock socketed in steel H-pile and bored pile, and construction of pile caps; and ancillary works, such as site formation and demolition.