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E.J.S is specialized in producing, repairing and rebuilding screws, barrels and components for plastic product manufacturers, rubber product manufacturers, extruder and injection molding producers.
With over 25 years of experiences in serving our customers in plastics and rubber industry, we are aiming to supply screws barrels with more wear resistance and corrosion resistance.
By providing a professional design and suitable steel & treatment according to the processing material type, grade and filler, we make our screws barrel a longer serving time.    
We produce all types and specifications of screw barrel for:
Single screw extrusion
Twin screw extrusion
Injection molding machine
Blowing molding machine
3D printers
Our factory was established in 1992 in JinTang, Zhoushan Island. Through years of growing, now it covers a plant area of 40000㎡, with more than 400 production workers and 250 machines serving our fast growing demands from our customers. 
To keep up the pace of industry 4.0 development, every year we invest a large proportion in our equipment and techniques. 
The Export Department moved to downtown Ningbo some years ago, 1 hour away from the factory, which is more appealing to attract and keep great employees. 
Ningbo is a port city close to Shanghai, No.1 Sea Port in mainland China. It is convenient for customers visit as well as the export of the goods. 
Everything is about PEOPLE. The real difference between EJS and Others is PEOPLE!  
1:Our sales people offer an easy way to buy from China. We give fast response to customer’s request. All of your emails will be replied within 24 hours. Our quality services satisfy our customers from Europe, America, India, Middle East etc. 
2:Our technical department created CAD drawings from sample components or customer’s original drawings. If the material formula is updated or the capacity of machine needs to be improved, our engineers will help to improve the design and shoot the troubles for your screws & barrels.  
3:The CNC grinding machines ensure the precision dimensions of our products.  
Our comprehensive quality control procedures ensure that all screws and barrels are checked at every operation. Before dispatch, all screws barrels and other components need to be checked on the surface treatment, hardness and dimensions, with a final inspection report issued and provided to our customers.    

4. Services---E.J.S has been in selling screws barrels abroad for over 8 years.

Our services satisfy our customers all over the world. The sales team provides an easy working way; it saves you lots of time to buy from China. Our engineers make CAD drawings for confirmation before putting into production. Thus, we ensure the production is 100% correct for customers.

All items are well polished and strongly packed in plywood cases or fumigation wooden cases. It ensures the safety during transportation no matter the items are shipped by air or by sea.

We ask for feedbacks after customers using our screws barrels, and find out what we still need to improve. We provide 1 year guarantee for every single of our products. Other services from our company:

 On site measure and make drawing
 On site checking and making design 
 Based on the current problem, provide trouble shooting on improving the design

Working with EJS will make your life Easy, Joyful with a big Success personally and professionally rather than screws & barrels, which is our company mission.  

To know more about our company, please contact us by, thank you.

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