Is the machine suitable for river sand with large pebbles?

Yes, the bucket chain type is a perfect choice for river sand with large pebbles.

400 Tons/Hour Bucket Chain Gold Dredger Gold Mining Washing

Name: 400 Tons/Hour Bucket Chain Gold Dredger Gold Mining Washing
Brand: Qingzhou Yongli Mining and Dredging Machinery Co., Ltd.
SKU: 2115383442

Shandong, ChinaQingzhou Yongli Mining and Dredging Machinery Co., Ltd.

US$390,000.00-550,000.00

1 Piece

Product profile

Customization

Available

Type

Bucket Dredger

Power Type

Diesel

Cyclone Type

Hydrocyclone

Slot Type

CTD

Customized

Condition

New

Funtion

Sand Dredging & Diamond Washing

Deal Capacity

50-400m3/Hour

Power Supply

Disel Generator

Dredge Depth

1-30m

Diamond Recovery Percentage

85-90%

Generator Brand

Weichai or Cummins

Transport Package

Shipping Container

Specification

400m3/hour

Trademark

Yongdeli

Origin

Shandong, China

HS Code

890510000

Key features

High Capacity Range: Deal capacity spans from 50 to 400 cubic meters per hour.

Customizable Depth: Dredge depth is adjustable from 1 to 30 meters.

High Recovery Rate: Achieves 85-90% gold and diamond recovery percentage.

Versatile Application: Ideal for alluvial sand with diamonds and river sand with large pebbles.

Advanced Separation: Uses trommel classifier and pulsating jigger for efficient separation.

OEM and ODM Services: Full OEM and ODM services available for customized needs.

Proven Track Record: Over 25 years of experience in mining equipment manufacturing.

Company profile

Qingzhou Yongli Mining and Dredging Machinery Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableAverage Response Time: ≤5.93h

AI-Powered supplier vetting

SummaryQingzhou Yongli Mining and Dredging Machinery Co., Ltd. is a China-based manufacturer and supplier of dredging vessels, mining equipment, and mineral-processing machinery. The company reports ISO9001, ISO14001, and ISO45001 certifications, plus SGS and BV certification references. Its product range covers gold, diamond, zirconium, tin, iron ore, and sand dredgers and washing or beneficiation plants, with stated design and production according to customer requirements and terrain conditions. It operates three production lines, has 35 employees, and exports to South America, Africa, Southeast Asia, and the Middle East. Evidence supports relevant manufacturing experience, product breadth, customization, and export capability. However, the provided information is insufficient to verify financial strength, specific customer projects, or the depth of after-sales resources.

Supplier typeThe supplier is identified as Qingzhou Yongli Mining and Dredging Machinery Co., Ltd., a Chinese limited company located in Qingzhou, Shandong. It is described as a professional manufacturer and supplier integrating R&D, design, production, installation, commissioning, and personnel allocation, although one record classifies the company nature as a trading company.

CertificationsThe supplier reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 management-system certificates, as well as ISO9001:2008, SGS, and BV certification references. It also states that it holds a vessel inspection certificate authorized by China MSA and a patent letter from China’s State Intellectual Property Office.

After-Sales capabilityThe supplier explicitly claims an excellent after-sale service system and describes services covering installation, commissioning, and personnel allocation. These statements support the existence of after-sales-related capabilities, but no detailed service network, response time, or service staffing evidence is provided.

R&D capabilityThe company states that it successfully developed multiple mining machinery and tailings-recovery products beginning in 1999, adapted European and American technology to specified terrains and working conditions, and integrates scientific research and development into its operations. A patent letter is also referenced, although the number, scope, and commercial impact of patents are not specified.

Production capacityThe supplier offers a broad range of dredgers, washing plants, beneficiation equipment, work boats, and related machinery. It reports three production lines, a 4,500 m² manufacturing plant, 35 employees, and export markets across South America, Africa, Southeast Asia, and the Middle East, supporting established production and delivery capability.

Customization capabilityThe supplier states that it develops equipment for specific terrains and working conditions and can design and produce varied products according to customer requirements and terrain conditions. Its integrated design, production, installation, commissioning, and personnel-allocation model further supports project-specific customization.