POLY curtains window coverings within the company originally manufactured housing specialist. For the pursuit of sustainable development and corporate social responsibility, and optimistic about the future potential environmental protection, investment area and development of green building materials market. After many years of research and hard work, first locked "green roof" design of building materials, and has successfully developed "thin green roof" construction material-"Bao Rui water insulating plant growth", and won a patent technology. After years of interactions with academia and industry, customers, experience in practice,POLY launched "second generation" and even the latest "third-generation" products, in pursuit of better features.