What are the available surface treatments?

Options include heat treatment, high frequency treatment, nitriding treatment, hard chrome plating, and nickel alloy plating.

How are the products packaged for export?

Products are packed in wooden cases or treated with anti-rust oil and covered with stretch film to prevent moisture damage.

What payment terms do you accept?

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

Customized Screw and Barrel Element for Parallel Twin Screw Extruder

Name: Customized Screw and Barrel Element for Parallel Twin Screw Extruder
Brand: Nanjing Kairong Machinery Tech. Co., Ltd.
SKU: 886032945

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

Bimetallic Construction: Centrifugal casting and plasma alloy coating for superior wear resistance and hardness.

Modular Design: Flexible screw barrel sections with various pitches, lengths, and kneading block angles.

Self-Cleaning Function: Co-rotating screws with narrow clearance ensure no residue and reduce cleaning effort.

High Accuracy: Screw straightness of 0.015mm and surface roughness Ra0.4um for precision processing.

Customizable Materials: Available in 38CrMoAlA, Cr12MOV, SKD-61, AISI 4140, and various bimetallic alloys.

Optimized Heating & Cooling: Ensures fast, intensive heating with internal bore water cooling system.

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

Professional Manufacturing: High-tech company with R&D team, CNC machines, and OEM/ODM services available.

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: ≤3.55h 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 available for the screw and barrel?

Base materials include 38CrMoAlA, Cr12MOV, SKD-61, and AISI 4140. Bimetallic options include Fe-based, Ni-based, Co-based, and Tungsten carbide alloys.

Q:What is the production lead time?

Production time is 20-25 days after order. Peak and off-peak season lead times are both 1-3 months.

Q:Can the screw barrel be customized?

Yes, the modular design allows customization of L/D ratio, barrel structure, screw array, venting, and feeding methods based on process requirements.

Q:What is the hardness of the bimetallic layer?

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

Q:What is the price for the screw elements?

The price for 71MM Screw elements is 1.3 USD per mm, and the TSE-75 barrel is 650 USD per piece (290mm).