Haipai was established in 2004 as a leading supplier of Doors, Windows, and Curtain Wall Solutions, Encompassing research development, Sales, Technical Services, and Supply Chain Management. With Two Major Factories named Longgun and Liji spanning over 130,000 Square meters in total Construction area and an Investment Exceeding $100 million, Haipai boasts a highly skilled R&D Design Team Comprising more than 30 Senior Engineers.