Welcome to DER

Factory Tour

The appearance and structure of the profiles used in the sunshine room and its products are more sturdy. The assembly method is more convenient. It has the characteristics of being firm, beautiful and practical. As the first company in the industry , we propose the concept of integrated technology home improvement system, the company's products have broken through the tradition! Excellent door and window are both inclusive and product personality, which not only makes the company flourish, but also creates a large number of top talents in the door and window industry!

Constantly improve the quality of modern products to customers, innovation and development is always moving forward. The rapid development of China's economy, strong demand for construction, the DER Building brought a good opportunity for development. So far, there are many counties and cities in the use of our products. Our aim is: "With service and sincerity in exchange for your trust and support, mutual benefit and create a win-win!" Our company is willing to work with colleagues from all walks of life both at home and abroad to cooperate wholeheartedly and create a better future!