D.S.L is Chinese professional leading aluminum slat material manufacture , Established in Zhejiang Province in 1995.  We have more than 25 years of experience in supplying both domestic and international market with a large range of interior and external aluminum slat material for Venetian Blinds.

With a rapidly growing company, today we can offer you a wide range of top quality internal and external material of window decoration and sun protection .The DSL series are constantly setting new trends. With their wide choice of up-to-date colours, materials and designs, Innovative products, the highest standards of workmanship, high levels of operating convenience and reliable technology are the key ingredients that make our products irresistible to our specialist customers and consumers alike.

Quality plays a leading role in the day to day running of DSL. This has become a high expectation of it's customers to delivery this on a daily basis, which it strives to achieve with the help of ISO 9001 accreditation. Now We have been working with many clients in Europe from, among others, export our slats to more than 150 countries .We’re proud of our long history of innovation, and we’re proud of what we offer today. Our chairman Mr. Zheng Jianrong insist on “simplicity, fashion, environmental protection, innovation, the guardians of private moments ---Venetian blinds material supplier “ .