Polyfair Holdings Limited, an investment holding company, engages in the construction business in Hong Kong. The company offers designs and project management services to façade systems and curtain wall work solutions for residential and commercial buildings. It also provides various design and build services for various projects, such as developing designs, conducting structural calculations, preparing shop drawings, sourcing and procuring building materials for building material logistics and installation works, project management, and post-project completion services. It serves material suppliers and subcontractors.