Is the dredger tested before shipment?

Yes, each dredger undergoes complete testing in a testing pool before leaving the factory to ensure good performance and safety, including hydraulic, electrical, and engine checks.

What are the main applications of this jet suction dredger?

It is widely used for sand-excavating from seas, lakes, ports, ponds, and rivers, as well as for channel maintenance, desilting, reclamation, and port deepening.

What are the payment terms and lead times?

Payment terms include LC and T/T. The average lead time is one month during the off-season and 1-3 months during the peak season.

22 Inch Jet Suction Dredge China Ore Mining Machine for Dredging Fine Gold

Name: 22 Inch Jet Suction Dredge China Ore Mining Machine for Dredging Fine Gold
Brand: Qingzhou Junhang Environmental Protection Technology Co., Ltd.
SKU: 2232365755

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

Suction Pipe Dia.

600mm

Discharge Pipe Dia.

550mm

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 Design: Dismountable modular box structure allows easy transport by truck and fast installation at the working site.

High Efficiency Dredging: Features a 4500m3/h water flow capacity with a dredging depth of up to 16 meters for the 22-inch model.

Premium Core Components: Equipped with international famous brand engines, Siemens PLC control, and high-efficiency China Shijiazhuang pumps.

CCS Certified Marine Steel: Hull made of special marine steel plates certified by CCS, with anti-corrosion zinc blocks and epoxy paint.

Remote Operation Capability: Can be operated remotely from the operation room with good all-around visibility and PLC control.

Comprehensive Factory Testing: Each dredger undergoes complete testing in a pool before shipment to ensure performance and safety.

Lifetime Technical Support: Provides 12-month free warranty with lifetime technical support and on-site engineer guidance for installation.

Customizable Engine Options: Multiple options available for international famous brand engines to meet specific customer 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: ≤0.73hTerms 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.

Product Q&A

Q:What is the dredging capacity and depth for the 22-inch model?

The 22-inch model (JUNHANG-JSD550) has a water flow of 4500m3/h, a solid sand capacity of 900m3/h, and a dredging depth of 16 meters.

Q:How is the dredger transported and installed?

The dredger features a dismountable modular box structure. It can be disassembled for truck transportation and reassembled quickly at the working site using a rapid connection-disconnection system.

Q:What warranty and after-sales service are provided?

We provide a 12-month free warranty and on-site maintenance service. Additionally, we offer lifetime technical support, including 24/7 standby and sending engineers for installation guidance and training.

Q:What core components are used in the dredger?

The dredger uses international famous brand engines, China Shijiazhuang famous brand pumps, Siemens PLC control systems, and Rexroth hydraulic valves. The hull is made of CCS-certified marine steel.

Q:Can the engine be customized?

Yes, multiple options are available for selection from international famous brand engines to meet specific customer requirements.