, Established in Guanghan in 2003, it has deeply cultivated the industry of high-end doors and windows, with some 90 national patents; its core lies in high-end system doors and windows, also involving heat insulation and preservation (reducing energy consumption and enhancing comfort) with high sound insulation, meeting high-end demands. Possessing a 100,000 square meters of intelligent factory with an annual production capacity of 1 million square meters, the company ensures quality through full-chain control. It has 1,200 offline stores and a 3,000 square meters of exhibition halls nationwide, able to respond to demands 24 hours a day, with products selling well both at home and abro ad.