Hualong company was founded in 1986,it is a professional manufacturer researching and producing all kinds of window and door hardware fittings,it is the first one authorized by ISO9001 in this field,and it is one of standard drafting units of China U-PVC window and door hardware.
   In the past twenty years,Hualong company had withessed the reform and development of China's window and door,deeply the importance of harmony hardware and window & door……