What is the lead time for production?

The average lead time is one month, regardless of peak or off-season.

Which excavator models are compatible?

The arm is applicable for excavator models ranging from 12 to 45 tons.

Can I reuse my original stick cylinder?

Yes, you can use your original stick cylinder to save costs, or we can prepare a new one if needed.

Dx350 Excavator 18m Extension Arm for Deep Digging and Open Caisson

Name: Dx350 Excavator 18m Extension Arm for Deep Digging and Open Caisson
Brand: Heng Wei Machine (Zhangzhou)Co., Ltd.
SKU: 2252541285

Fujian, ChinaHeng Wei Machine (Zhangzhou)Co., Ltd.

US$16,000.00-18,000.00

1 Piece

Product specifications

18m long arm

Product profile

Customization

Available

Application

Excavator

Certification

ISO9001: 2000

Model NO.

DX350

Condition

New

Color

Choose

Length

Choose

Bucket Size

Choose

Cylinder

Bucket Cylinder

Transport Package

Container Shipping

Specification

OEM

Trademark

OEM LOGO

Origin

China Fujian

HS Code

84314999

Production Capacity

500

Key features

Deep Digging Capability: Max dig depth up to 18000mm for open caisson and river dredging.

Customizable Dimensions: Color, length, bucket size, and cylinder are fully customizable.

High-Strength Welding: Uses 80% Argon/20% CO2 protective gas welding for superior structure.

OEM/ODM Service: Supports full customization from designs, samples, or specific requests.

Cost-Effective Design: Can reuse original stick cylinders to save customer costs.

Heavy-Duty Options: Parts can be consolidated with thicker plates for heavy-duty applications.

Wide Compatibility: Applicable for excavator models from 12 to 45 tons.

ISO9001 Certified: Manufacturing process meets global standards with ISO9001:2000 certification.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceExhibition ExperienceFlexible Customization

Heng Wei Machine (Zhangzhou)Co., Ltd.

Fujian, 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: 17 years CertifiedNearest Port: Xiamen Port, Shanghai PortAverage Response Time: ≤6.63h

AI-Powered supplier vetting

SummaryThe supplier identifies as a professional technical supplier with R&D support, 3D design services, and broad customization options, including customization from designs and samples. Its stated production capacity covers excavator long-reach booms, buckets, pile-driving arms, and demolition arms, supported by one production line and 6–10 quality-control staff. Quality assurance and raw-material traceability are stated, but finished-product inspection, corrective/preventive actions, and complaint handling have procedures without written records. Financial records are referenced for 2022–2024, but the slices do not provide enough information to assess financial strength. The supplier has exported for 17 years, although export-market presence is recorded as zero and primary markets are domestic. No factory environmental impact assessment, overseas warehouse, or overseas showroom is reported.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier. Its stated capabilities include R&D and production-related design services for excavator and construction-equipment components.

R&D capabilityThe supplier reports new-product development, formulation and process development, technical improvement, process optimization, and 3D software design services. It also explicitly lacks an available SDK, so innovation capability is evidenced in engineering and product development but not in SDK provision.

Production capacityStated annual capacity is 250 excavator long-reach booms, 500 excavator buckets, 250 pile-driving arms, and 100 demolition arms, with one production line and 6–10 quality-control staff. The supplier has in-stock capability and formal subcontractor contracts, but does not continuously reconcile production quantities and has no overseas warehouse.

Customization capabilityThe supplier explicitly offers flexible, minor, and full customization, including customization from customer designs and samples. It also provides 3D software design services, directly supporting customized product development.