About Lesun

Company Introduction


Nanjing Lesun Screw Co.,Ltd specialize in the manufacture of parallel co-rotating modular screw elements, barrel and shaft, involving various types that lies between Ø20mm to Ø300mm. After ten years of luxuriant development, our company now owns several sets of advanced CNC machines and special processing equipment for manufacturing screw. Now our machining operation has basically realized intellectualization and automation. Advanced processing means, strong technical force and sophisticated processing craft ensure quality of each production and technical indexes can fully meet customers...


Scope of application
  • -Plastic pelletizing and modification
  • -Masterbatch
  • -Paper industry
  • -Chemical industry
  • -Food
  • -Feed industry
  • -Cable materials
  • -Pharmaceutical industry,powder coating and paint


Our Superiority
                - Design and Manufacture of special elements
  • -SME
  • -ZME
  • -TME
  • -Three Head over Two Head
  • -Eccentric Element
  • -Mixer Block
  • -Tension Element
  • -Single Head with Wide Edges
  • -Single Head with Wide Edges over Two Head


Cornerstone of outstanding products
                  - Upon research and utilization in the field of product application


With the development of plastics industry and the expanding application of extruding machines,the requirements of screw element and kneading block is no longer limited to traditional styles. Thanks to our rich experience that we have accumulated in the field of screw elements manufacturing,we intend to provide our customers with the most appropriate solution based on the properties of their own products, for instance nitriding steel,chrome-vanadium steel .stainless steel and wear-resistant powder metallurgy (foreign steel) like SKD11,K110,1.2379,W6Mo5Cr4V2,SuS18,HS35,HS45,HS10V etc. The truth is  that appropriate accessories can  effectively  extend the uptime of  the  basic  machines and meanwhile reduce  the production  cost for customers.


Regarding  to  production specifications,apart from offering standard components manufactured by general domestic factories, we alse desgin and  manufacture special-purpose components according   to  your  requests.  At the  same time ,we also provide  surveying and  mapping business  as well  as processing business for  accessories made by major foreign extruding machine  companies.



Precise Element & Timely Delivery
                 -Our attiude to win the trust of customers


In today's booming market ,the accuracy of the product is no longer the gap between foreign manufactures and domestic ones. To ensure that all products will be precisely fitted,German and Japanese original CNC machines hava uesed in the manufacture of screw elements. While inproving the product precision,we alse pay great attention maturity of the heat treatment process. We engage to provide better service along with the upgrade of our technology.


What's more, our company is fully accredited with ISO14001 quality management standard. Highly motiveted  team  of  spare parts specialists is ready to do anything to remedy your problem . With abundant raw materials and sufficient inventory, we promise you for timely delivery.


  • 2000 - 2003
  • 2004 - 2007
  • 2007 - 2015
  • 2000Set up a sales team, mainly in domestic sales of twin-screw extruder accessories.
  • 2004Since July 2004 set up the Nanjing Ltd. Lesun screw manufacturing teams, mainly in the production of modular screw elements, barrel and mandrel. Our main service in Nanjing production extruder manufacturers, perennial provide supporting services for them.
  • 2007Lesun began to explore the international market, when Lesun company participated in the K show in Germany.
  • 2008This year is the quality of Lesun, regulate the entire production process, strict control of every process, to ensure that every one of the hands of customers are qualified parts, when we introduced the Germany advanced CNC machine tools.
  • 2009In January 2009 we moved to a new plant began production, but we have a reasonable plan in the production process.
  • 2010Lesun and the introduction of Japan's advanced CNC machine tools, in this year LiXun sales exceeded 20 million yuan.
  • 2011In the domestic market, we have a number of modified plastics and masterbatch production enterprises in cooperation. (Eg: KINGFA, PRET, RTP, POLYONE, KUMHO-SUNNY, ISONO, SABIC, JUNER, SILVER, CHARMING, SUNWILL, A.SCHUIMAN etc.)
  • 2012 Lesun from abroad and high wear resistant material for processing screw elements and barrel corrosion resistant member.
  • 2013We have introduced advanced equipment and materials spectra precision testing equipment from Germany and the United States.
  • 2014 We also invested in a new R & D team, for the areas of our services to help customers develop new screw element structure, to enhance the distribution and dispersion of the material to improve materials for higher performance.
  • 2015 From Germany to introduce advanced high-efficiency processing equipment, resulting in China to open up a new screw process is truly synchronized with the European process.