Zhejiang ZHENGYI Machinery Co.Ltd is located in the Qujiang Economic Development Zone .It is a highech enterprise . Our company adopts leading management and has built up a solid technical foundation.It is a professional desighner and producer of cold forging machine,nail making machine and thread rolling machine for the forming of fasteners and other matal parts. Our company was founded in 1981.Based on more than 20 years experience of machinery designing and manufacturing and manufacturing and combined with the featured strong points of the domestic and international counterparts,our company has independently designed and developed the "Ouhai Brand"Z94 nail machines Series,ZA12-5 Blind rivet heading machine,3 Die-6 BLOW cold former,4 Die-4Blow cold former/These products have been approved by ISO9001:2000 International Quality Management System.