What is the maximum dredging depth?

The dredger has a suction depth of 12 meters.

Is the hull suitable for saltwater service?

Yes, the hull is made of special marine steel plates, sandblasted, painted with 4 layers of marine epoxy paint, and equipped with zinc anodes for anti-corrosion.

What are the main technical specifications?

Key specs include a 450m3/h water flow, 50m discharge distance, 210kW main engine, and 273mm pipe diameters for both suction and discharge.

450m3/H Hydraulic Sand Suction Pumping Dredger for River, Lake and Port Dredging

Name: 450m3/H Hydraulic Sand Suction Pumping Dredger for River, Lake and Port Dredging
Brand: Qingzhou Junhang Environmental Protection Technology Co., Ltd.
SKU: 2267329625

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

US$40,000.00-100,000.00

1 Set

Product specifications

10 inch

Product profile

Customization

Available

Type

Sand Pumping Suction Dredger

Power Type

Diesel

Model NO.

JUNHANG-P250

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

450m3/H

Dredging Depth

12m

Discharge Distance

50m

Overall Length

Testing Before Shipment

Provided Test Reports

Video Outgoing-Inspection

Provided

Main Engine

210kw

Discharge Pipe Dia.

273mm

Suction Pipe Dia.

273mm

Draught

0.6m

Generator

20kw

Transport Package

in Bulk or Container

Specification

450m3/h

Trademark

JUNHANG

Origin

Shandong, China

HS Code

8905100000

Production Capacity

10 Sets/Month

Key features

Customized Modular Structure: Dismountable box structure allows easy transport and on-site assembly.

Marine Grade Steel Hull: Constructed with CCS certified marine steel plates and anti-corrosion zinc blocks.

High Efficiency Dredging: 450m3/h water flow and 120m3/h sand capacity for rapid extraction.

Lifetime Technical Support: 24/7 standby support with engineers available for on-site inspection and repair.

International Engine Options: Equipped with famous brand engines ranging from 100-2500kW as required.

Factory Pre-Testing: Complete performance and safety testing including hydraulic and engine checks before shipment.

Comprehensive After-Sales Service: Includes free 12-month warranty, installation guidance, and operator training.

Low Energy Consumption: Designed for economic operation with low running costs and high efficiency.

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.

Product Q&A

Q:What is the warranty period?

We provide a free warranty for 12 months after commissioning, along with lifetime technical support.

Q:Can the dredger be customized?

Yes, the structure is customizable with a dismountable modular box design, and engine options are available from international famous brands.

Q:How is the quality guaranteed before shipment?

Each dredger undergoes complete testing including electricity connection, hydraulic system operation, and engine power capacity checks to ensure safety and performance.

Q:What after-sales services are provided?

We send experienced engineers for installation guidance and operator training, and provide on-site maintenance and repair services if needed.

Q:What is the production lead time?

The lead time is 1-3 months during peak season and one month during the off-season.