Dujiangyan Joiner Machinery Co.,Ltd set up in 2007 in Sichuan, is a professional enterprise of spare parts for twin screw extruder :Barrel &Screw segment &Shaft &Side feeder.

It occupies 12600 square meters with over 120 staffs and 60 sets of advanced processing equipments in our plants.Such as the CNC thread grinding machine, the CNC screw milling, the CNC lathe, the CNC surface grinder, the CNC cylindrical grinder, the CNC sawing machine, the automatic deep hole grinding machine, the CNC lathe, the CNC surface grinder, the CNC cylindrical grinder, the CNC sawing machine, the laser marking machine, the vacuum quenching furnace, the vacuum tempering furnace and so on.Ultimately,We became one-stop manufacturer for all services and thereby ensure the good quality through the internal control. There are also some advanced testing equipments, such as the metallographic analyzer, the Taylor roughness meter, the Japanese Mitutoyo height gauge, the CMM, the Rockwell hardness tester,Vickers hardness tester and some other advanced testing equipments. Which ensure the products 100% controllable. we have over 20 years of experience in supply and refurbishment for wear parts.

Inspection of all the screw element, Barrels, Joiner will thoroughly inspect all parts for Wear, Cracks, Imperfections, Straightness, and Concentricity. Joiner will repair broken barrels, and other components.Inspections need to be performed to determine the severity of damage and if reparation is an option. All conclusions are documented in detailed reports with respective Recommendations.

  We manufacture screw and kneading segments for co-rotating twin screw extruders ranging from 15.6 mm to 350 mm and over. Our manufacturing specializes in segmented screws for twin screw extruders and is optimized for flexible order handling.

Co-rotating twin screw elements for 
-APV            -KOBE            -OMC
-Buhler        -KraussMaffei        -Theysohn
-Buss          -Berstorff-          -Toshiba
-Clextral       -Labtech          -USEON
-Coperion     -Lantai          - others
-JSW          -Leistritz    
-Keya        -Maris

Types of the Screw Segments
* Convey Screw Segment
* Mixing Screw Segment
* Kneading Block & Disk
* Transition Screw Element
* Deep groove transfer element
* Screw element for side feeder
* 1-flighted,2-flighted,3-flighted screw elements


We offer a broader choice of materials:
For wear application:
* Tool Steel : W6Mo5Cr4V2;
* PM-HIP material : SAM10,SAM26,SAM39,CPM10V,CPM9V
For corrision application:
* Nitrided Steel: 38CrMoAI;
* PM-HIP material : SAM26,SAM39,CPM10V,CPM9V
For wear and corrision application:
* PM-HIP material:SAM26,SAM39,CPM10V,CPM9V
Other materials:
Stainless Steel: 316L,C276 etc.
By working closely with customers in choosing optional materials,we can minimize wear and tear and associated costs.

About our Company

Joiner Machinery Co.,Ltd has several years experience in the manufacture and supply of new and refurbished wear parts for all major makes of twin-screw extruders and the Industries involved in plastics industry, chemical industry, powder coating, food food industry, wood plastic etc..
Through close working relationships with our customers we have been able to fulfill their requirements. Flexibility enables us to design and manufacture standard and bespoke components for unique applications. 
Through our highly trained and experienced staff we are able to offer technical support and advice. 

Our strengths are based on many years experience supplying the following:
* Competitive costs per unit of production 
* Fast turn round for collection and delivery on refurbished parts 
* Parts available from stock for a wide range of extruder makes 
* Comprehensive inspection procedure on all parts prior to dispatch 
* A time proven quality service 
* Latest manufacturing techniques and metallurgy, ensuring consistent and reliable performance of parts 
* Customized solutions to meet specific needs.





FRQ
 
1. Q: Are you a factory or trading company? 
 ----A: A factory
2. Q: Where is your factory located? How can I visit there? 
-----A: Our factory is located in Chengdu, Sichuan Province, China, 
1) You can fly to Chengdu Airport directly. We will pick you up when you arrive in the airport; 
All our clients, from domestic or abroad, are warmly welcome to visit us! 
                                             
3.Q: What makes you different with others?
----A: 1) Our Excellent Service 
 For a quick, no hassle quote just send email to us
 We promise to reply with a price within 24 hours - sometimes even within the hour.
 If you need an advice, just call our export office at +86 028 87226313, we will answer your questions immediately.
2) Our quick manufacturing time
For Normal orders, we will promise to produce within 30 working days.
As a manufacturer, we can ensure the delivery time according to the formal contract.
 
 4.Q: How about the delivery time? 
----A: This depends on the product. Typically standard products are delivered within 30 days. 
 

1.  Q: What is the term of payment? 
   ----A: 1) T/T payment;   2) LC;  

 
6.Q: May I know the status of my order?
----A: Yes .We will send you information and photos at different production stage of your order. You will get the latest information in time.