Pad -the supplier of modern building door and window system, focusing on anti -theft mosquito -prevention conjoined screens, energy -saving aluminum alloy doors and windows, smart sunshine room overall solutions, this will meet the highest requirements of natural comfort and safety. We focus on product research and development.The people -oriented and harmonious harmony with nature continuously innovate and develop new technologies, reduce carbon dioxide emissions through energy -saving systems, thereby protecting the natural environment, persistently unremitting human sustainable development, and integrating humanities, nature, and comfort.