| After-sales Service: | 6 Months |
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| Warranty: | 6 Months |
| Standard: | ISO9001 |
| Feature: | CNC Milling |
| Material: | Wr5 |
| Heat Treatment: | Vacuum Quenching |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier 320MC Corrosion Resistace Extruder Screw Segments for Petrochemical Industry
Joiner is state-of-the art and spans over 20,000 square meters. The factory houses more than 150 sets of different domestic and foreign high precision production equipment, with the degree of numerical control up to 95%.
| Screw Design | Double-Screw | |
| Hardness | 58-60HRC | |
| Heat treatment | Vaccum heat treatment | |
| Surface Treatment | Polishing | |
| Feature | Single keylot | |
| Standard | DIN, GB, etc. | |
| Technicals | CNC machining |
2. Process of making
3. Raw material guarantee
The company has been cooperating with domestic and foreign first-line brand material suppliers for a long time, and has a strict quality control and performs regular audits and inspection of the factory (elemental analysis, metallographic analysis, ultrasonic flaw detection, etc.) to ensure a 100% qualified status.
4. Heat treatment
As we all know, heat treatment is very important in the screw production process. In order to ensure the quality of products, Joiner has purchased professional heat treatment equipment to produce, so that we can control the construction process by ourselves.
5. Packing Details:
According to your order quantities and products sizes to choose wooden boxes or cartons to pack:
6. Why choose us?
a. Total solution of highly wear-resistance and corrosion-resistance problems;
b. Expert of engineering design and consulting,
c. Advanced manufacturing capabilities and technology,
d. Lean production management
e. Top quality products with high cost performance
7. Products photos:
8. Example spare parts we produce for Petrochemical Industry
Barrel:
Shafts:
Suppliers with verified business licenses
Audited Supplier 
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