What are the lead times for production?

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

Can I use my existing stick cylinder?

Yes, you can use your original stick cylinder to save costs. If you need a new one, we can also prepare it for you.

What are the main applications for this long reach boom?

It is primarily used for river dredging, port construction, railway construction, and groundwork, offering high efficiency and security.

21m Long Reach Excavator Boom for PC350-7

Name: 21m Long Reach Excavator Boom for PC350-7
Brand: Heng Wei Machine (Zhangzhou)Co., Ltd.
SKU: 1913272401

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

US$13,500.00-14,200.00

1 Piece

Product profile

Customization

Available

After-sales Service

Design Customization

Warranty

180days

Model NO.

PC350-7

Type

Longreach Excavator

Application

Excavator

Condition

New

Material

Q355b or Q690d

Long Boom+Long Arm(Meter)

12+9

Excavator Bucket

0.4m^3

Counterweight(Kg)

6.4t

Transport Package

Bubble Film

Specification

Customize OEM

Trademark

OEM LOGO

Origin

China

HS Code

843149

Production Capacity

1000set/Year

Key features

Customizable Material Options: Standard Q355B steel with optional Q690D customization available upon request.

High-Strength Welding Process: Uses 80% Argon and 20% CO2 mixed gas for superior fatigue resistance and durability.

OEM & Full Customization: Flexible customization from designs or samples; OEM service available for all excavator models.

Heavy-Duty Structural Design: Internal reinforcement plates and tapered edge milling ensure higher structural performance.

Wide Application Scope: Ideal for river dredging, port construction, railway projects, and groundwork with high efficiency.

Cost-Effective Cylinder Option: Can reuse original stick cylinders to save costs; new cylinders available if needed.

10+ Years Manufacturing Experience: Founded in 2008 with engineers possessing over 10 years of design and production experience.

Low Minimum Order Quantity: Supports small batch orders with a Minimum Order Quantity (MOQ) of just 1 unit.

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: ≤5.48h

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.