How is the quality of the dredger ensured before delivery?

Each dredger undergoes complete factory testing including hydraulic system checks, engine performance, and safety tests, with reports provided.

What materials are used for the hull?

The hull is made of CCS certified marine steel plates, sandblasted and painted with 4 layers of marine epoxy paint for saltwater service.

Does the company provide installation training?

Yes, experienced engineers are sent to the site to guide installation and train local workers on operation and daily maintenance.

22 Inch 4500 M3/H Hydraulic Jet Suction Dredger for River or Lake Dredging

Name: 22 Inch 4500 M3/H Hydraulic Jet Suction Dredger for River or Lake Dredging
Brand: Qingzhou Junhang Environmental Protection Technology Co., Ltd.
SKU: 2239767065

Shandong, ChinaQingzhou Junhang Environmental Protection Technology Co., Ltd.

US$600,000.00-700,000.00

1 Set

Product profile

Customization

Available

Type

Jet Suction Dredger

Power Type

Diesel

Model NO.

JUNHANG-JSD550 (22 inch)

Customized

Condition

New

Warranty

12 Months for Free, Service Is Life-Time.

After-sales Service

Engineers on-Site Guidance Installation and Traini

Structure

Dismountable Modular Box Structure

Material

Ccsb Marine Steel Plate

Engine Options

International Famous Brand Engine, Multiple Option

Dredging Pump

China Shijiazhuang Famous Brand Pump

Water Flow

4500m3/H

Dredging Depth

16m

Discharge Distance

2000m

Overall Length

36m

Testing Before Shipment

Provided Test Reports

Video Outgoing-Inspection

Provided

Main Engine

1798kw

Discharge Pipe Dia.

550mm

Suction Pipe Dia.

600mm

Draught

1.7m

Generator

30kw

Transport Package

in Bulk or Container

Specification

JSD550 (22 inch)

Trademark

JUNHANG

Origin

Shandong, China

HS Code

8905100000

Production Capacity

10 Sets/Month

Key features

Modular Dismountable Structure: Box-like structure with rapid connection system for easy truck transport and fast on-site assembly.

High Capacity Dredging: Water flow up to 4500m3/h with a maximum dredging depth of 16 meters and discharge distance of 2000m.

International Brand Components: Equipped with Siemens PLC, Rexroth hydraulic valves, Eaton Vickers pumps, and global famous brand engines.

Marine Grade Steel Hull: Constructed from CCS certified marine steel plates with 4-layer epoxy paint and zinc anodes for anti-corrosion.

Remote Operation Capability: Full remote control from an operation room with excellent visibility and PLC system integration.

Comprehensive Factory Testing: Complete performance and safety testing before shipment with provided test reports and CCS certificates.

Lifetime After-Sales Support: 12-month free warranty with lifelong technical support and on-site engineer guidance for installation and training.

Customizable Engine Options: Multiple engine options available from international famous brands to suit specific power requirements.

Company profile

Qingzhou Junhang Environmental Protection Technology Co., Ltd.Shandong, China

CertifiedBusiness Type: Trading CompanyExport Year: 2025-09-10Nearest Port: Tianjin, Qingdao, ShanghaiAverage Response Time: ≤0.92hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryQingzhou Junhang Environmental Protection Technology Co., Ltd. is identified as a Chinese trading company established in 2025, while its profile describes manufacturer-oriented capabilities in ship design, dredging equipment, engineering-vessel construction, and related machinery. It reports ISO9001 certification, compliance with China Classification Society requirements, dedicated engineering, quality inspection, and after-sales personnel, and the ability to design machinery for specific customer requirements. The supplier states that it operates five production lines, employs more than 300 people, and reports annual output across several vessel and machinery categories. Its products are reportedly exported to numerous countries. However, the available information contains inconsistencies: the registered company type is “Trading Company,” total staff experience is listed as zero, and the reported manufacturing-plant area is only 126.0 m² despite the stated 300-acre company area. Customer references are...

CertificationsThe supplier explicitly states that it has obtained ISO9001 quality-system certification and that ship design, construction, quality inspection, and accessories are completed according to China Classification Society requirements. These statements provide direct evidence of documented quality certification and stated classification compliance.

After-Sales capabilityThe supplier reports 20 after-sales service technicians and identifies an after-sales department within its organizational structure. This is direct evidence of dedicated after-sales resources, although no response-time, geographic coverage, or service-performance details are provided.

R&D capabilityThe company reports 15 senior engineers specializing in shipbuilding and dredging research, a research and development center, cooperation with classification societies and research institutions, and the ability to develop special machinery. These details directly support an established technical and R&D capability.

Customization capabilityThe supplier explicitly states that it can design and produce special types of machinery according to customer requirements and describes a one-stop model covering ship design, R&D, innovation, manufacturing, and dredging-engineering construction. This directly supports customization capability for specialized vessels and machinery.