Nanjing General Extrusion Industry Co.,Ltd

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 screw elements in

China.
According to your requirements,we choose high-quality double metal alloy X235, X245 made in

Switzerland; American Powder alloy CPM10VSKH55,SKD11,1.2379, S46990 from Germany; W6Mo5Cr4V2

and 38CrMoALA from Shanghai Bao steel; All these materials have to go through the

manufacturing process of quality adjustment, periodic inspection, vacuum quenching and

tempering in high temperature and surface nitridation, after which they can reach the same

level of precision and abrasion-proof as foreign products.
We do OEM for Germany Coperion, JSW, etc.Our sales network cover more than 28 provinces in

China and foreign enterprises like GE plastic, LG chemistry, Tai plastic, also Russian

companies like sabic .
For more information,welcome to visit our website or our factory in Nanjing,China.