About Us Yuyao Nanshan Development Co. , LTD . is located in Zhejian Yuyao that is provided with centuries-old history and civilization . we professionally product skinny peg in building and engine transmission . More than 95 % our products export to Occident and former external market . The hoop retainer exporting to USA has passed USA ICBO authentication . differently , the eletromagnetism clique used in ammeter is the accessory that the corporation product ammeter.We have had staring quality control and guarantee to products design , develop and service , and can offer comforting products and service for client.Nanshan company family insists on the principle of"opening up , bringing froth Modern idea , trying to be hard-nosed and pursuing high-pitched effciency". We truly welcome customers from all over the world hither to give us advice , discuss business and comperate with us to make better business prospects .