What are the nitriding treatment specifications?

The nitrided layer depth is 0.5-0.8mm, hardness is 900-1000HV, and brittleness is less than grade 1.

Does the manufacturer support OEM and ODM services?

Yes, we are an experienced manufacturer that supports both OEM and ODM services with 2 R&D engineers.

What is the average lead time for production?

The average lead time is one month for both peak season and off-season.

WPC Recycled PVC Bimetallic Conical Twin Screw and Barrel

Name: WPC Recycled PVC Bimetallic Conical Twin Screw and Barrel
Brand: Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
SKU: 698193495

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

WPC

Product Type

Profile 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

Bimetallic Layer Depth

3mm

Bimetallic Layer Hardness

HRC58-62

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 Screw Size: Standard sizes range from 45/90 to 92/188, with full customization available for specific customer requirements.

High Hardness Bimetallic: Bimetallic layer hardness reaches HRC58-62 with a depth of 3mm for enhanced durability and wear resistance.

Multiple Alloy Options: Available in Fe-based, Ni-based, Co-based, NiCo-based alloys, and Tungsten carbide to suit different raw materials.

Optimized Nitriding Tech: Nitrided layer depth is 0.5-0.8mm with hardness of 900-1000HV and brittleness less than grade 1.

Tailored Compression Ratio: Screw compression ratio can be designed according to different products and ingredients for optimal performance.

12 Months Warranty: Comprehensive 1-year warranty coverage focusing on quality assurance and reliable after-sales service.

OEM/ODM Support: Experienced manufacturer offering both OEM and ODM services with 2 dedicated R&D engineers.

Professional Manufacturing: Established in 2006 with 105 employees and a 5000 sqm plant, ensuring consistent high-quality production.

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.