What is the warranty period?

Standard warranty is 2 years. Extended warranty is an optional service with duration to be negotiated.

What are the technical specifications?

Model ZGJ-7-12/4000. Tube expanding range 300mm~4000mm. Outer diameter 7mm, wall thickness 0.3~1.0mm. 2 rows, 12 tubes. Expanding speed 20mm/s. Lifting stroke 350mm. Voltage can be customized.

What is the lead time for delivery?

Average lead time is 1-3 months for both peak season and off-season.

Electric Movable Expanding Machine Model No.: Zgj-7-12/4000

Name: Electric Movable Expanding Machine Model No.: Zgj-7-12/4000
Brand: Zhongshan Wolfu Machinery Co.,Ltd.
SKU: 2287316715

Guangdong, ChinaZhongshan Wolfu Machinery Co.,Ltd.

US$31,300.00

1 Set

Product profile

Customization

Available

After-sales Service

Whole Machine and Tooling

Type

Expanding

Model NO.

ZGJ-7-12/4000

Automation

Automatic

Applicable Material

Copper

Applicable Shape

Round

Warranty

1 Year

Efficiency

Fast Speed

Action

Fully Automatic

Transport Package

Wood Platform

Specification

8/1, 1/2, 1/16

Trademark

Wright

Origin

China

HS Code

8463900090

Production Capacity

20000

Key features

Automatic Operation: Fully automatic tube expansion with PLC control and touch screen operation.

Wide Expansion Range: Handles tube expanding range from 300mm to 4000mm for large heat exchangers.

High Efficiency Speed: Operating speed reaches 20mm/s for fast and efficient processing.

Customizable Configuration: Voltage, color, and specific technical parameters can be customized upon request.

Global Technical Support: 24/7 technical assistance and spare parts supply available worldwide.

Comprehensive Warranty: Standard 2-year warranty with optional extended warranty services available.

IPX-8 Waterproof: Designed with IPX-8 waterproof rating for diverse working environments.

ISO and CE Certified: Products passed ISO9001 quality control and CE certification standards.

Company profile

Exhibition ExperienceR&D CapabilitiesQuality AssuranceOverseas Services

Zhongshan Wolfu Machinery Co.,Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Nansha Port, Shenzhen PortAverage Response Time: ≤8.40h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryZhongshan Wolfu Machinery Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory. Its stated business focuses on R&D, manufacturing, sales, and servicing of non-standard automation, digital/intelligent equipment, air-conditioning and heat-exchanger equipment, molds, tooling, pipelines, and related products. Evidence indicates more than 100 patents as of 2020, 11–20 R&D engineers, 6–10 quality-control staff, and more than 10 production lines. The supplier also reports a product after-sales team and capabilities involving precision molds, fixtures, robots, welding equipment, and automated production lines. A TUV Rheinland audit record is present and valid from 2025-07-15 to 2026-07-14, but the audit type and evaluation result are encoded and cannot be substantively interpreted from the provided data. Contract, inventory, overseas service, ODM/OEM, SDK, environmental, ERP, and customer-case evidence is unavailable or insufficient.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory. It is a limited company based in Zhongshan, Guangdong, China, indicating a combined manufacturing and trading business structure.

After-Sales capabilityThe company description explicitly identifies a product after-sales team and states that it provides sales and service for automation, air-conditioning, refrigeration, pipeline, tooling, and mold-related products. This supports the existence of after-sales capability, although service coverage and performance metrics are not provided.

R&D capabilityThe supplier states that it is a high-tech enterprise focused on R&D and intelligent equipment, has 11–20 R&D engineers, and held more than 100 patents as of 2020, including invention, PCT, utility-model, and design patents. These are explicit indicators of innovation capability.

Production capacityThe supplier reports R&D, production, and manufacturing of non-standard automation and intelligent equipment, more than 10 production lines, 6–10 quality-control staff, and product lines covering robots, welding equipment, molds, and automated production lines. This directly supports established production capability.

Customization capabilityThe supplier explicitly offers non-standard automation equipment, precision mold design and manufacturing, precision fixtures, jigs, equipment mold changes, and customized pipeline and heat-exchanger equipment. These offerings indicate customization capability, although specific project examples or technical service details are not supplied.

Product Q&A

Q:Are you a manufacturer or trading company?

Yes, we are a manufacturer. We are focusing on copper pipe/tube processing machines production.

Q:Where is the nearest airport to your company?

Guangzhou Baiyun Airport or Hongkong Airport.

Q:How to choose the right machine?

You have to inform us following details: - Pipe Outdiameter Range - Wall thickness range - The pipe material - Bending radius value - Bends NO. on one pipe - Bending shape in 2 or 3 dimensional - Other requirements

Q:Do you have CE certificate?

We have CE certificate.

Q:How about your service?

Before Sales Serive: 1. We will help our customer confirm the right model according to the offered pipe inforamtion. 2. Welcome to visit our factory to see our machine and our workshop before you place an order. After Sales Service: 1. We provide manual book,detailed machine installation,commissioning video for help you correctly operate machine. 2. We provide free installation,commissioning and training at our factory.If you need engineer go to your factory for machine installation, air tickets