Shanghai Sunlong Products Ltd.,which is located in Shanghai city,is a professional exporter specialized in locks,nails,hinges and other construction hardware.  Even since its establishment,the company has developed its business around exporting.Now we have set up long-term business connections with many importers in Middle-east,Southeast Asian and American.In our daily operation,we insist on HONEST MANAGEMENT,CREDIT FIRST as our rules.We are providing best quality products to our customers at lowest price and have won recognition from all our clients.