Dear sir , This is Kaylee from Ningbo Tianze Machinery Technology Co., supplying bimetallic screw and barrel for Injection / Extrusion machines . Over 29 years experience in this line , and we have drawings for Haitian Injection Molding Machines and most of drawings for Chen Hsong . For more details please feel free to contact kaylee(at)tizatech.com , our web is www*tizatech*com
