What payment terms are accepted?

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

Is OEM and ODM service available?

Yes, both OEM and ODM services are available for this product.

What is the surface roughness and linearity of the screw?

The surface roughness is Ra 0.4, and the linearity of the screw is 0.015mm.

Planetary Screw and Cylinder for PVC Extrusion

Name: Planetary Screw and Cylinder for PVC Extrusion
Brand: Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
SKU: 733425155

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.

ZYSCREW

Type

Pipe Extruder

Plastic Processed

Product Type

Extrusion Molding Machine

Feeding Mode

One Feed

Assembly Structure

Separate Type Extruder

Screw

Multi-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

0.3-0.7mm

Nitrided Hardness

HRC56-60

Transport Package

Wooden Case

Specification

ISO 9001: 2008 approved

Trademark

ZHONGYANG

Origin

China

HS Code

84779000

Production Capacity

30000 Sets/Year

Key features

Customizable Specifications: Size, material, nitriding depth and hardness can be customized.

High-Performance Materials: Made from 38CrMoAlA, 42CrMo, Ni-based alloy, or tungsten carbide.

Superior Hardness: Nitrided hardness reaches 850-950HV (HRC 50-60) with depth 0.3-0.7mm.

Advanced Processing: Features bimetallic centrifugal casting, ionic nitriding, and high-frequency quenching.

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

Durable Construction: Bimetallic layer depth is 2mm with hardness HRC 50-65.

Professional Support: First-class R&D team and professional after-sales service provided.

Fast Production: Production time is about 20-30 days after receiving advanced payment.

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: >24h 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 materials are available for the screw and barrel?

Base materials include 38CrMoAlA (JIS SACM645) and 42CrMo (AISI 4140). Bimetallic options include Ni-based alloy/Deloro alloy and Tungsten carbide/Wolfram carbide.

Q:Can the product size and material be customized?

Yes, the size, material, nitrided layer depth, and nitrided hardness are all customizable according to specific requirements.

Q:What is the warranty period for this equipment?

We provide a 12-month warranty for the product.

Q:What is the production lead time?

Production time is about 20-30 days after we receive the advanced payment.

Q:What is the nitriding hardness and layer depth?

The nitrided layer depth is 0.3-0.7mm, and the nitrided hardness is 850-950HV (HRC 50-60).