ZD Windows And Doors Co.,Ltd is one of the leading China bifold doors manufacturers, welcome to wholesale cheap bifold doors, aluminium slide window, aluminium pivot window, aluminium sliding windows from our factory. We are a green-conscious and energy-saving new technology enterprise, highly supported by local government. Covering an area of more than 40,000 square meters, ZD introduces the most advanced facilities and employs more than 300 professional technicians. Our products have long been recognized for their durability, ease of maintenance and value for money. No matter you are building a residential apartment or a high-rise office building, we are ready to offer you the most suitable advice and best service.