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Company Profile

Venetian blinds material/Integral blinds supplier

D.S.L is Chinese professional leading aluminum slat material manufacture , Established in Zhejiang Province in 1994.  We have more than 27 years of experience in supplying aluminum slat material for Venetian Blinds,DSL brand is a leading brand in shading industry in China. The annual output is more than 6000 tons of coated aluminum alloy slats, more than 60% are exported, DSL is one of the world’s largest suppliers of coated aluminum alloy slats.

In the background of government advocating Environmental Care and green building, DSL create DN brand, which provide integrated blinds systems series products,this product integrated of shadow,sound insulation,heat insulation, beauty, fashion and no cleaning, this is the best combination product of  high end doors and windows.

Now We have been working with many clients in Europe from,  export 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."

Company Staff
Technical Personnel
Area Covered
The Annual Output

Scientific Management
Lean Production

Deshenglong adheres to professional, standardand market-based strategic guiding ideas,manages the company in a comprehensive andscientific way and sets strict demands on each.link including research, development, productionand sales.


Elite Team
Bright Future

Deshenglong has trained an excellent team which is efficient, professional and responsible in management, research and development, marketing and maintenance.


Detail decides successor failure;
Executiondetermines strategies

Deshenglong introduces international advanced production lines and supporting devices, owns a strict quality control system and appoints special quality inspection groups to randomly or comprehensively inspect finished products or semi-finished products in each production link.


Science Laboratory
Keep exploring

Deshenglong also set up an advanced product laboratory which keeps exploring, innovating and using popular processing technologies to improve product quality; by adopting reliable and durable accessories,products' service life can be prolonged.


Sufficient Stock

We are willing to establish cooperate with you with our sincerity , provide one stop service on aluminum slat and integrated blinds .We expect your coming to negotiation and wish to cooperate with you achieve win-win together.