How is the product packaged for shipping?

Products are packaged in wooden cases or with anti-rust oil processing and stretch film cover to protect against moisture damage during export.

What are the payment terms?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as terms of payment.

What is the hardness of the bimetallic layer?

The bimetallic layer hardness is HRC 57-72, with a layer depth of 0.8-2.0mm.

Extruder Screw for Parallel Co-Rotating Twin Screw Extruder

Name: Extruder Screw for Parallel Co-Rotating Twin Screw Extruder
Brand: Nanjing Kairong Machinery Tech. Co., Ltd.
SKU: 886032765

Jiangsu, ChinaNanjing Kairong Machinery Tech. Co., Ltd.

US$2,000.00

1 Set

Product profile

Customization

Available

Technics

Casting

Feature

Wear Resistant

Model NO.

Material

Stainless Steel

Application

for Extruder

Transport Package

Wooden Cases

Specification

as require

Trademark

Origin

Jiangsu

Production Capacity

3000 Sets Per Year

Key features

Wear Resistant Materials: Made from stainless steel, bimetallic alloys, and high-speed steel for durability.

High Precision Design: Computer-aided design ensures high accuracy and excellent self-cleaning function.

Modular Flexibility: Flexible modular principle allows various screw pitches, lengths, and kneading blocks.

Advanced Surface Treatment: Features nitriding, hard chrome plating, and plasma alloy coating for hardness up to HRC72.

Energy Efficient: New kneading block design effectively avoids overheating and reduces energy consumption.

Wide Material Compatibility: Suitable for general plastics, ABS, PA, PC, PE, PET, PS, PU, PVC, and recycled materials.

Professional Manufacturer: Nanjing HaiSi is a high-tech manufacturer with over 8 years of extruder industry experience.

Customizable Solutions: OEM and ODM services available to optimize L/D ratio, barrel structure, and screw array.

Company profile

Nanjing Kairong Machinery Tech. Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2015-09-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.15h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummaryNanjing Kairong Machinery Tech. Co., Ltd. is identified as a China-based limited company and trade company engaged in manufacturing and processing machinery, particularly extruders and plastic recycling equipment. The supplier reports 200 twin screw extruders of annual output, five production lines, and 6–10 quality-control staff. It describes design, manufacturing, commissioning, packing, and after-sales capabilities, and states that it provides whole-plant and turnkey solutions. Export activity began in 2015, with 41%–50% of sales reportedly from exports, and customer locations are listed across several countries. However, the evidence does not establish any certifications, provides only limited direct customer-case detail, and indicates just one total R&D engineer. The supplier’s legal identity, operating location, product scope, and production information are documented, but several capability areas remain only partially evidenced.

Supplier typeThe supplier is identified as Nanjing Kairong Machinery Tech. Co., Ltd., a China-based limited company with a combined business entity type. It is described as a trade company, while its commercial engagement is manufacturing and processing machinery, indicating a mixed trading and machinery-supply profile.

After-Sales capabilityThe supplier explicitly states that it provides after-sales service and has aftersales staff, while also describing service as a quality objective. These statements support the existence of an after-sales function, although no staffing detail, response standard, or service performance evidence is provided.

Production capacityThe supplier reports annual production of 200 twin screw extruder sets, operates five production lines, and has 6–10 quality-control staff. A stated factory location and manufacturing plant area further support production activity, although the reported workforce size is small and capacity details are limited to the listed product output.

Customization capabilityThe supplier states that it develops new designs and offers solutions designed to meet different customer requirements, including whole-plant and turnkey solutions. This directly supports customization and project-solution capability, though no specific customized project examples or technical scope are supplied.

Product Q&A

Q:What materials are used for the extruder screw?

The screw is made from high-quality materials including Stainless Steel, W6Mo5Cr4V2, 38CrMoAlA, Cr12MOV, and various bimetallic alloys like Fe-based, Ni-based, and Co-based alloys.

Q:What is the lead time for production?

The production time is typically 20-25 days after receiving the order.

Q:Can the screw and barrel be customized?

Yes, we offer OEM and ODM services. You can customize the L/D ratio, barrel structure, screw array, venting number, and feeding method according to your process requirements.

Q:What surface treatments are available?

We provide heat treatment, high-frequency treatment, nitriding treatment (depth 0.50-0.80mm, hardness HV850-1020), hard chrome plating, and nickel alloy plating.

Q:What types of plastics can this extruder handle?

It is suitable for general plastics, ABS, PA, PC, PE, PET, PS, PU, PVC, U-PVC, PA+GF, flame-resistant reinforced plastics, modified engineering plastics, and mixed recycled materials.