We, Doorwin, as manufactrure, are focusing in high-end solid wood, aluminum & wood windows and doors, which has the capability( 50,000 square meters per year) of design and production with a full range of professional production lines. Our Germany imported equipment to make sure the precision to 0.1mm gap. And we have NFRC, CE international certification for exporting our products to Europe, North America etc.Doorwin as a windows, doors specialist in China, is qualified to supply you a wide range of windows & doors products. Doorwin has been dedicated to creating a unique and cost effective solutions for your building and has successfully undertaken projects throughout China.Doorwin strives to achieve timely delivery, superior quality and innovative products to meet every client's needs and expectations. Let us be your choice and we won't let you down.