What is the lead time for production?

The average lead time is one month, regardless of whether it is peak or off-peak season.

What payment terms do you accept?

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

What is the compression ratio of the screws?

The compression ratio can be designed according to different products and ingredients.

Parallel Twin Screw Barrel PVC Granule Extrusion Screw Barrel

Name: Parallel Twin Screw Barrel PVC Granule Extrusion Screw Barrel
Brand: Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
SKU: 733779065

Zhejiang, ChinaZhejiang Zhongyang Screw Manufacturing Co., Ltd.

US$1,000.00-50,000.00

1 Set

Product profile

Customization

Available

After-sales Service

Yes

Warranty

12 Months

Model NO.

Parallel twin screw barrel

Type

Sheet Extruder

Plastic Processed

PVC

Product Type

Extrusion Molding Machine

Feeding Mode

One Feed

Assembly Structure

Separate Type Extruder

Screw

Twin-Screw

Engagement System

Full Intermeshing

Screw Channel Structure

Deep Screw

Exhaust

Don't Exhaust

Automation

Automatic

Computerized

Size

Customize

Material

Nitriding Steel

Nitrided Layer Depth

0.5-0.8mm

Nitrided Hardness

HRC56-58

Transport Package

Slushing Oil Coated& Film Wrapped in Wooden Case

Specification

ISO 9001: 2008 approved

Trademark

ZHONGYANG

Origin

China

HS Code

84779000

Production Capacity

100 Sets/ Month

Key features

Customizable Dimensions: Diameter ranges from 45mm to 200mm with L/D ratios of 16-35.

Premium Material Options: Available in 38CrMoAlA, 42CrMo, 4Cr5MoSi V1, 9Cr18MOV, and various bimetallic alloys.

High Precision Hardness: Nitrided hardness reaches 900-1000HV with layer depth of 0.5-0.8mm.

Advanced Manufacturing Tech: Features bimetallic alloy welding, centrifugal casting, and high-frequency quenching.

Twin-Screw Design: Full intermeshing twin-screw structure with deep screw channel for efficient extrusion.

One-Year Warranty: Comprehensive 12-month warranty coverage for mechanical defects and performance.

OEM and ODM Services: Full OEM and ODM capabilities available for custom manufacturing needs.

High Surface Quality: Surface roughness as low as Ra0.4 with linearity of 0.015mm.

Company profile

Zhejiang Zhongyang Screw Manufacturing Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedNearest Port: Ningbo PortAverage Response Time: ≤18h CertifiedTerms of Payment: LC, T/T CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR

AI-Powered supplier vetting

SummaryZhejiang Zhongyang Screw Manufacturing Co., Ltd. is presented as a China-based manufacturer and distributor of screws, barrels, and related assembly parts for plastic and rubber machinery. The supplier reports 12 years of industrial experience, a factory equipped with advanced CNC machines, more than 10 production lines, 50 quality-control staff, and exports to South America, Southeast Asia/Mideast, and Europe. It describes an ISO-certified quality system established in 2006 and offers design, technical support, customer service, and overseas engineering assistance. However, the records contain material inconsistencies regarding factory size, workforce, business type, and R&D staffing. No verifiable customer cases or detailed financial-strength evidence is provided.

Supplier typeThe supplier is legally identified as Zhejiang Zhongyang Screw Manufacturing Co., Ltd., a China-based limited company. Its stated business is designing, manufacturing, rebuilding, and distributing screws, barrels, and assembly parts, although one record labels the company nature as a trading company, creating a classification inconsistency.

CertificationsThe supplier explicitly states that it has been an ISO-certified enterprise since 2006 and that it operates a complete quality-control system covering production through final products. The specific ISO standard and certificate details are not provided.

After-Sales capabilityThe supplier describes a dedicated after-sales team, customer archiving and follow-up through product receipt and trial, efficient problem resolution, and the ability to send engineers to customer locations in China or abroad when necessary. These statements support an established service capability, though no service performance metrics are supplied.

R&D capabilityThe supplier reports professional design teams and experienced, creative engineers who address technical problems and design new screws and barrels for performance improvement. However, the records provide no quantified R&D resources, patents, new-product results, or development timeline.

Production capacityThe supplier reports a 10,000 m² factory with advanced CNC equipment, more than 10 production lines, 50 quality-control staff, and a one-month off-peak lead time. Other records state a 5,000 m² plant and alternatively more than 50,000 m² with over 200 workers, so capacity is indicated but the scale data is inconsistent.

Customization capabilityThe supplier states that it maintains sales, design, production, inspection, and service teams, supports specific customer needs, and designs new screw and barrel configurations to achieve targeted performance. This directly supports customization capability, although no examples, engineering specifications, or limits are given.

Product Q&A

Q:What is the warranty period for this screw barrel?

We provide a 1-year warranty covering mechanical defects and performance issues.

Q:Can the screw barrel dimensions be customized?

Yes, the diameter can be customized from 45mm to 200mm, and the L/D ratio ranges from 16 to 35.

Q:What materials are used for the screw barrel?

Base materials include 38CrMoAlA, 42CrMo, 4Cr5MoSi V1, and 9Cr18MOV. Bimetallic options include Fe-based, Ni-based, Co-based, and Tungsten carbide alloys.

Q:What is the nitriding hardness of the screw?

The nitrided hardness is between 900-1000HV, with a nitrided layer depth of 0.5-0.8mm.

Q:Do you offer OEM and ODM services?

Yes, we offer both OEM and ODM services to meet your specific manufacturing requirements.