Guangzhou TopBright Building Materials Co., Ltd is specialized manufacturing enterprise integrating research, design, manufacture and sales of all aluminum windows & doors, bifold doors,sliding doors, wood windows & doors, PVC windows & doors, curtain walls .Our company have many types of wood windows, aluminum windows, PVC windows, which are designed and produced to meet different requirements and demands from different country and customers.Our products were adopted in hundreds of projects, including commercial & residential, house, villas, school, hotel, hospital, offices and more from all over the world.We always adhere to the business philosophy of "quality & faithfulness is the first policy", and the commitment of "continuous innovation and improvement to high-quality products, excellent service for customers at home and abroad" to provide the best choice.