DongLongBao Door Production Co.,Ltd is a professional manufacturer of producting various aluminum doors, such as swing doors, sliding door,folding doors.
The door series of DongLongBao have become the new trend of home materials and accord with the purchase power of common people.
The whole door series have come up to the Chinese National Standard and European PREN13329.AC3 Standard.Our company invested big fund to bring in the modern products lines with international practice.
DongLongBao owns the R&D Center to develop and improve the design and technology continuously.Sales scopes:300 sales branches in 31 provinces and cities and over 500 service network in Chinese mainland.Our products are also sold to aboard such as South Asia,Australia, Europe ,Mid-east and America.
As the professional manufacturer ,we really hope to be your long-term business partner.

We can do according to the customers' request