Dongguan Shengang Precision Metal Electronic Co.& Ltd. was founded in February 2000, affiliated to Shengang Precision Metal Electronic &Hong Kong Co.) Ltd. We are a comprehensive international manufacturer integrating the research and production development and sales, specialized in the line of door and window hardware. brbrOur company complies with the business philosophy> quality first and reputation for development manage to be the top supplier of the industry of door and windows hardware.,br>brOur company motto> Shengang hardware benefits homes.br<