Do you offer spare parts for machines?

Yes, We provide our high quality machine 2 years' guarantee, and we will also offer you 2 years wear-out spare parts for free. Once your machines broken or doesn't work within 2 years and you can't solve it, firstly, we will try to help you to find problems from your words description by phone or other communication tools. Secondly, if the phone solutions still not work, our engineers will go to your factory to solve it. Meanwhile, they will teach you the related experiences for fixing.

L/D 4/35 Extrusion Screw Barrel for Single-Screw Extruder Machines to Process PVC Pipe

Name: L/D 4/35 Extrusion Screw Barrel for Single-Screw Extruder Machines to Process PVC Pipe
Brand: Zhangjiagang Sino-Tech Machinery Co., Ltd.
SKU: 2002786835

Jiangsu, ChinaZhangjiagang Sino-Tech Machinery Co., Ltd.

US$20.00-10,000.00

1 Set

Product profile

Customization

Available

After-sales Service

12 Month

Warranty

12 Month

Model NO.

4/35

Product Name

Screw Barrel

Base Material

38crmoaia(Sacm645) /SKD-61(Special Tool Steel)

Guarantee

12 Months

Package

Wooden Case

Appliance

PVC, ABS, PP, PE, PA, PC, EVA, PS, POM, etc

Main Alloy Materials

1.Ni-Based Alloy/Deloro Alloy 2.Tungsten Carbide/W

The Application of Machinery

Granulation Machine/Extruder/ Injection Machine

Screw Type

Customers Different Demands

Screw Diameter

20mm-300mm

Bimetallic Alloy Material

Ni-Based Alloy Fe-Based Alloy Co-Based Alloy Nico-

Processing Range

30g-40000g

L/D

4/35

Tempering Hardness

Hv260-280

Nitrided Hardness

900-1020hv

Nitriding Brittleness

2 Grade

Transport Package

Wooden Case

Specification

CE, SGS

Trademark

Sino-Tech

Origin

Jiangsu, China

HS Code

7415339000

Production Capacity

1000sets/Year

Key features

Wide Material Compatibility: Processes PVC, ABS, PP, PE, PA, PC, EVA, PS, POM, and rubber materials.

High Hardness & Wear Resistance: Nitrided hardness up to 1020HV with bimetallic layer depth of 3mm.

Customizable Screw Design: Screw types and compression ratios designed for specific plastic properties.

Comprehensive Warranty: 24-month guarantee covering free spare parts and technical support.

Precision Engineering: Screw linearity 0.015mm with surface roughness Ra 0.4um.

Global Certification Support: CE, SGS, ISO certified with assistance for additional certificates.

On-Site Installation Service: Professional engineers sent to factory for installation and testing.

Flexible Payment Terms: Supports TT, L/C, Alibaba Trade Assurance, and PayPal.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExhibition Experience

Zhangjiagang Sino-Tech Machinery Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤10.83h

AI-Powered supplier vetting

SummaryThe supplier presents mixed characteristics. It is identified as a trading company, although the provided company description states that it operates a large manufacturing group with more than 20 years of research and production experience, a 15,000-square-meter site, over 20 engineers, and more than 100 workshop staff. It reports broad customization, ODM, and OEM capabilities, recent new-product activity, standardized finished-product inspection, inventory capability, export experience, and quality-related procedures. However, it lacks a valid manufacturing-capacity contract with related subcontractors, overseas warehouses, overseas showrooms, overseas agents or branches, and an available SDK. No certification information or specific customer cases are provided. Financial information is limited to years identified in the records, without sufficient evidence to assess financial credibility.

After-Sales capabilityThe supplier has clear procedures and followed records for corrective and preventive actions and customer complaint handling, and its company description mentions an after-sales service team. It also has inventory capability, but no overseas agents, branches, overseas warehouse, or overseas showroom; therefore, documented service processes exist, while overseas service coverage is limited.

R&D capabilityThe supplier reports new products during the past year, ODM service, broad design-related customization, and more than 20 research engineers. However, it has no available SDK. The stated R&D and product-development evidence supports innovation capability, although the lack of SDK may limit software-development integration.

Production capacityThe supplier describes a 15,000-square-meter site, a 13,000-square-meter standard workshop, over 100 machine-manufacturing workshop staff, inventory capability, and uniformly followed finished-product inspection instructions. Conversely, it reports no valid contract covering manufacturing capacity with related subcontractors, so the documented internal production resources are favorable but the broader manufacturing arrangement has a stated contractual gap.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. It also reports ODM services, providing direct evidence of broad customization and design-support capability.