How are the products packaged?

All products are packed in strong plywood or wooden cases to ensure safety during transportation.

What certifications does the product have?

The product is certified under ISO standards.

What is the warranty or after-sales service?

We provide before-sales, production update, and after-sales one-stop service. Our team is available to answer questions and offer solutions in fluent English.

Customized Screw Barrel Made of Top Grade Steel 38crmoala From Ejs China for Rubber Extrusion Machine

Name: Customized Screw Barrel Made of Top Grade Steel 38crmoala From Ejs China for Rubber Extrusion Machine
Brand: E.J.S. Industry Co., Ltd.
SKU: 925126545

Zhejiang, ChinaE.J.S. Industry Co., Ltd.

US$149.31-2,022.93

1 Piece

Sample price:US$509.00/piece.Request sample

Product profile

Standard

DIN, ASTM, GOST, GB, JIS, ANSI, ISO

Material

Tool Steel, Structural & Engineering Steel etc.

Application

Rubber Recycling Machinery, Rubber Raw Material Machinery, Rubber Product Making Machinery

Certification

ISO

Condition

New

Customized

Base Steel

38crmoala, 34cralni7, 31crmov9 or Other Materials

Surface Treatment

Bimetallic Alloy Coating, Nitriding etc.

Thickness of Nitriding Layer

0.5~0.7mm

Thickness of Bimetallic Coating

1.5~3mm Depending on Different Alloys

Transport Package

Export Packaging

Specification

Screw Diameter from 14mm to 500mm

Trademark

EJS or Customized

Origin

China

HS Code

847790

Production Capacity

30000PCS/Year

Key features

Customizable Base Steel: Base steel can be customized to 38crmoala, 34cralni7, 31crmov9 or other materials.

Advanced Surface Treatment: Options include bimetallic alloy coating and nitriding with precise layer thickness control.

High Wear Resistance: Features bimetallic coatings with hardness up to HRC 65 for superior durability.

Wide Application Scope: Suitable for rubber extrusion, recycling machinery, and various screw types.

Precise Dimension Control: Strict quality inspection ensures every dimension is produced precisely.

Global Export Experience: Over 6 years of export experience with one-stop service for international clients.

Robust Packaging: Products are packed in strong plywood or wooden cases for safe transport.

Certified Quality: Manufactured under ISO certification standards with top-grade steel materials.

Company profile

E.J.S. Industry Co., Ltd.Zhejiang, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2006-10-04Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤5.87hTerms of Payment: T/T, D/P, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, FAS, DDP, DAP, CIP, FCA, EXW

AI-Powered supplier vetting

SummaryE.J.S. Industry Co., Ltd. is a China-based limited company in Zhejiang, with trading, manufacturing/factory, and group-corporation classifications. Its primary products are screw barrels and related extrusion, injection-molding, and rubber-processing components. The supplier reports ISO 9000 and ISO 9001 management-system certifications, more than 10 production lines, 6–10 quality-control staff, and 6–10 years of total R&D-engineer experience. It exports through agents and its own import-export rights, serving multiple regions. The supplier also describes a large production area, over 400 workers, more than 300 pieces of equipment, and customized services. However, the provided information does not establish current after-sales service capability, innovation outputs, financial credibility, or documented customer cases. The SGS audit record is time-limited and shows an evaluation result of 0, but the meaning of that result is not defined in the provided data.

Supplier typeThe supplier is identified as a trading company in the company basic information, while another record classifies it as a Trading Company, Manufacturer/Factory, and Group Corporation. Its products and manufacturing-machinery trade engagement are specifically related to screw barrels and associated components. This supports classifying it as a trading and manufacturing-oriented supplier, although the records are not fully consistent regarding the principal entity type.

CertificationsThe supplier reports ISO 9000 and ISO 9001 management-system certifications. An SGS audit record is also provided, with a stated report period from August 5, 2024 to August 4, 2025; however, the audit result is recorded as 0 and its interpretation is not explained. The certifications provide explicit positive evidence, but current validity beyond the stated audit period is not established.

Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, a factory in Zhoushan, and primary export markets across several regions. Its company description additionally states a production area of up to 40,000 square meters, more than 400 full-time workers, and over 300 domestic and imported equipment units. These stated facilities, workforce, equipment, and production-line indicators provide explicit evidence of substantial production capability.

Customization capabilityThe product range includes multiple screw-barrel configurations, including twin-screw, extrusion, injection-molding, rubber, bimetallic, and single-screw products, as well as screw elements and feed-housing barrels. The supplier also explicitly advertises customized VIP services. This directly supports an ability to provide customized product solutions, although the scope and technical limits of customization are not specified.

Product Q&A

Q:What base steel materials are available?

Common materials include 42CrMo, 38CrMoAlA, 31CrMoV9, 34CrAlNi7, 40Cr, 45Steel, SS304, SS416, SKD11, and SKD61. Other materials are also possible upon request.

Q:What surface treatments are offered?

We provide quenching & tempering, nitriding, hard chrome-plating, bimetallic alloy coating, and through hardening. Nitriding layer thickness is 0.5~0.7mm, and bimetallic coating is 1.5~3mm.

Q:Is the product customizable?

Yes, the product is fully customized. You can choose specific base steel, surface treatment, and coating thickness based on your requirements.

Q:What is the lead time for production?

The average lead time is one month during the off-season and 1-3 months during the peak season.

Q:What payment terms are accepted?

We accept T/T, D/P, PayPal, Western Union, and small-amount payments.