Who are we?
We are Nanjing Delang Building Materials Co., Ltd.
We are a direct importer of top door lock hardware products in the world.
We are committed to building the best hardware sharing service platform for imported locks in the Chinese market.
We are DHN, and we are by your side!

About US


Nanjing delang building materials co., LTD. Was established in 2004, we keep pace with The Times,constantly change themselves, and lead the development of the industry. Today, we have become the world's top door lock hardware products direct importer, we share the concept of service to build the world's top door lock hardware, bathroom hardware products sharing service platform. At the same time, we focus on high-end luxury hotels, hardcover apartments and private mansions in the project market. We are committed to bringing better door lock hardware products to Chinese customers. More wonderful, on the road to meet you...