Nanjing General Extrusion Industry Co.,ltd,best supplier of screws, barrels and shafts. Our parts match or exceed the quality standard of the original equipment manufacturers.
German heat treatment technology and surface nitriding technology from BERSTORFF and Coperion,plus advanced machinery process center like special automatic screw milling machine, CNC automatic thread grinding machine, precision cylindrical surface grinding machine,which are operated by Mr. Li Rongguo, the founder of cordwood scr...
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