Great products help make even the most mundane job enjoyable and well done.  That's why Shengdan strives to create the excellent quality, useful products available backed by industry-best warranties and top-notch customer service support.
     Our headquarter is located in Nanjing, with the factories on the outskirts of Nanjing, Jiangsu, China. Beginning in the early 2000's with two main products, TengDa drill bit and HuaRui security door, ShengDan has been continuing its dogged pursuit of the best in tools, hardware construction and decoration. 

     Simplicity of design is the key principal behind the ShengDan product line. Basing on our eight-year-long experience, with the combination of our science and technology team, fine craft, high diathesis and strong technique ability, a well-equipped research and development base, improved control equipment,the resulting product is safe, simple, and infinitely useful.
     By holding the principle of "stable quality, supreme service", ShengDan welcome warmly customers at home and abroad come to negotiate and create prosperity and...