As a professional in researching,manufacturing and selling varied spings,Qianjiang spring was established in 1998,which now includes hangzhou qianagjiang spring company,hangzhouQianjiang spring institution,Qianjiang spring Co.,ltd(USA),sino-us joint-venture capital of Qianjiang spring,the major products involve automobile high-voltage switchgear spring,construction machinery and equipmenet spring and die spring.it has been the main supplier of necessary accessories for most world –famous brands in the past years,as well as expoting its products to sht south-east Asia,Europe and the United States.