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Our cranes comply with FEM, CMAA, ISO, CE, and Chinese GB standards.

What is your shipping and delivery policy?

We customize shipping plans (air, LCL, FCL, or bulk) based on order size and port. Delivery varies by customization.

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We have distributors in over 50 countries. Please contact us directly for detailed agency policies and discussions.

20t Double Main Girder Gantry Crane with Overload Protection System

Name: 20t Double Main Girder Gantry Crane with Overload Protection System
Brand: Huajian Heavy Industry Co., Ltd.
SKU: 2156773422

Henan, ChinaHuajian Heavy Industry Co., Ltd.

US$9,999.00-259,999.00

1 Piece

Product specifications

capacity(ton)

Product profile

Customization

Available

After-sales Service

Lifetime Warranty

Warranty

3years

Model NO.

Certification

RoHS, CE

Condition

New

Maximum Lifting Weight

20-50t

Maximum Lifting Height

15-20m

Operation Form

Remote Control

Type

Common Gantry Crane

Main Girder Form

Double Girder

Span

10m ~ 40m

Duty Class

A3 ~ A8

Hoisting Speed

0.5m/Min ~ 16m/Min

Crane Travel Speed

10m/Min ~ 60m/Min

Trolley Travel Speed

5m/Min ~ 30m/Min

Power Supply Voltage

380V/660V/10kv 3p 50h

Control Mode

PLC Control + Wireless Remote Control + Cab Operat

Rail Model

Qu70 ~ Qu120

Working Temp

-30℃ ~ +45℃

Main Girder Material

Q355b

Leg Structure

Box-Type Welded Structure / Truss Structure

Installation & Commissioning

on-Site Installation + No-Load/Load Commissioning

VFD Speed Control

Frequency Conversion for Hoisting, Long Travel and

Transport Package

Anti-Rust Nude Pack + Waterproof Film

Specification

20t, 30m span, 25m lift

Trademark

Huajian Heavy Industry

Origin

Changyuan, Henan Province, China

HS Code

8426112000

Production Capacity

300

Key features

Customizable Design: Tailored span, lifting capacity, and duty class to meet specific site conditions.

Robust Structure: Double girder design with high-strength steel for stability and long service life.

Advanced Control: VFD speed control and remote/cabin operation for smooth and precise handling.

Safety Assurance: Equipped with overload limiter, limit switches, and anti-collision systems.

Global Compliance: Meets FEM, CMAA, ISO, CE, and Chinese GB international standards.

Versatile Application: Suitable for ports, steel mills, hydropower, and construction environments.

Lifetime Support: 12-month warranty with lifelong technical support and spare parts supply.

Professional Service: On-site installation, commissioning, and operator training provided worldwide.

Company profile

Production Process VisualizationR&D CapabilitiesCustomization from DesignsCooperated with Fortune 500

Huajian Heavy Industry Co., Ltd.

Henan, 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. CertifiedExport Year: 1 year CertifiedNearest Port: Zhangjiagang Port, Shanghai PortAverage Response Time: ≤11.41h

AI-Powered supplier vetting

SummaryThe supplier manufactures transmission cases, new-energy prime mover equipment, high-speed rail equipment and accessories, hydraulic power machinery and components, photovoltaic equipment and components, and bearings. It reports ISO9001, ISO14001 and ISO45001-related certifications, CE product compliance, documented supplier-service, corrective-action and complaint-handling procedures, and nine quality inspectors. R&D supports multiple customization modes, ODM services, and new product development. Production equipment includes laser cutting, swing-arm drilling and welding machines. The supplier provides tailored crane solutions with English technical documentation and after-sales guidance, but has only one year of export experience and no overseas warehouse, showroom, agent or branch. Financial credibility cannot be determined because the supplied financial fields contain years rather than performance or financial statements. No specific customer names or case studies are provided.

Supplier typeThe supplier is a manufacturer covering transmission cases, new-energy prime mover equipment, high-speed rail equipment and accessories, hydraulic machinery, photovoltaic equipment, bearings, and tailored crane solutions. Its stated production and product-development orientation indicates an industrial equipment manufacturer rather than a trading-only supplier.

CertificationsThe supplier reports ISO9001:2015 and ISO14001:2015 certification, while other records also list ISO45001:2018 and CE certification. These records provide explicit evidence of quality, environmental, occupational-safety, and product-compliance certifications, although the supplied information does not include certificate validity or scope details.

After-Sales capabilityThe supplier has documented procedures and records for handling customer complaints, plus stated after-sales guidance and English technical documents for crane solutions. However, it reports no overseas warehouse, showroom, overseas agent or branch, limiting evidence of localized overseas service infrastructure.

R&D capabilityThe supplier reports new products during the past year, ODM availability, multiple R&D customization approaches, and a stated focus on technological innovation and new product development. It does not provide an SDK, but SDK availability is not sufficient by itself to negate the broader evidence of product-development capability.

Production capacityThe supplier reports strong production capacity, nine quality assurance and quality control inspectors, and equipment including laser cutting, swing-arm drilling, and welding machines. Its broad industrial manufacturing scope supports production capability, although capacity volumes, facility size, and detailed process coverage are not provided.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. It also states that tailored crane solutions can be designed around working conditions, load requirements, and environmental needs, providing direct evidence of broad customization capability.