Zhejiang Jinggu Machinery Manufacturing Co., Ltd. is an enterprise specializing in the manufacture of nut cold heading mechanism. As an industry leader, we are committed to the design, development and manufacture of high quality nut cold headers to meet the needs of our customers in the field of fasteners. Our nut cold header uses advanced technology and innovative design for efficient, stable and precise machining capabilities. We have a professional research and development team with extensive experience and expertise, constantly pursuing technolo···