What are the payment terms and lead times?

Payment terms are LC or T/T. Lead time is 1-3 months during peak season and one month during off-season.

What certifications does the product have?

The product holds ISO9001:2008, ISO9001:2000, and CE certifications.

Gravity Mining Equipment Gold Concentration Machine Knelson Centrifugal Concentrator

Name: Gravity Mining Equipment Gold Concentration Machine Knelson Centrifugal Concentrator
Brand: ZHENGZHOU ZHENGJIA HEAVY INDUSTRY CO.,LTD.
SKU: 1972697272

Henan, ChinaZHENGZHOU ZHENGJIA HEAVY INDUSTRY CO.,LTD.

US$4,000.00

1 set

Product profile

Customization

Available

Type

Gravity Separator

Voltage

380V

Model NO.

Weight

Material

Carbon Steel

Material Feature

Heat Resistant

Certification

ISO9001:2008, ISO9001:2000, CE

Energy Saving

Warranty

1 Year

Color

Blue

Customized

Condition

New

After-sales Service

One Year

Application

for Gold Ore, Other Mienral Ore

Motor

China Top Brand

Installation

Engineer Guide

Drawing

Provide

Transport Package

Load in Container

Specification

STLB60, STLB80, STLB100

Origin

China

HS Code

8474100000

Production Capacity

100 Sets Per Year

Key features

High Recovery Rate: Centrifugal force ensures high recovery and steady concentrating ratio for gold and high-density minerals.

Eco-Friendly Process: Operates without reagents or chemical additives, making it an environmentally friendly solution.

Fast ROI: Fast returns on investment, typically achieved in less than 6 months.

Compact Design: Space-saving design that can be easily integrated into existing mining processing lines.

Low Operating Cost: Features low electricity and water requirements with durable wear parts for minimal maintenance.

Customizable Options: Customized application, motor, installation guide, and drawings are available upon request.

Certified Quality: Manufactured with ISO9001:2008, ISO9001:2000, and CE certifications ensuring quality standards.

Efficient Discharge: Center discharge design enables fast and secure removal of concentrate.

Company profile

ZHENGZHOU ZHENGJIA HEAVY INDUSTRY CO.,LTD.

Henan, China

Business Type: Manufacturer/FactoryExport Year: 2011-10-26Nearest Port: qingdao, tianjin, shanghaiAverage Response Time: ≤8.08hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier is identified as a Chinese manufacturer/factory and limited company, with a stated product range covering anemometers, thermometers, air compressors, stone crushers, ball mills, and rotary dryers. It reports ISO 20000 certification, 11–20 R&D engineers, 11–20 quality-control staff, one-month lead times in both peak and off-peak seasons, and export activity across multiple regions. OEM service for popular brands and several customization methods are indicated. However, the supplier reports no available SDK, no written corrective-action or complaint-handling procedures, no raw-material traceability, no overseas service infrastructure, and no offline trade-show participation. The provided financial entries identify years but do not provide financial performance values, so financial credibility cannot be determined. Customer cases are not explicitly documented.

CertificationsThe supplier reports certification of its management systems under ISO 20000. The provided information does not identify the certification scope, validity, issuing body, or additional product and quality certifications, so the significance for the intended supply requirements cannot be fully assessed.

After-Sales capabilityThe supplier has quality assurance, but reports no written procedures or records for corrective and preventive actions, customer complaint handling, or supplier-service assessment. It also has no overseas showroom, agents or branches, and reports zero countries with overseas services, indicating limited documented and international after-sales infrastructure.

Production capacityThe supplier is identified as a manufacturer/factory, reports 11–20 quality-control staff, one-month lead times in peak and off-peak seasons, and self-operated import/export rights. Finished products are checked by packing staff, while no detailed capacity, facility, process-control, or production-volume evidence is provided in non-monetary terms.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also provides OEM services for popular brands. These statements directly support broad customization capability.

Product Q&A

Q:What is the working principle of the centrifugal concentrator?

Pressurized backwash water sprays from holes to gratings. Slurry is injected into the mainframe where centrifugal force moves heavy particles to inner gratings while light particles are discharged from the upper part.

Q:What types of materials can this machine process?

It is designed for gold separating and other high-density minerals, including gold ore and other mineral ores.

Q:What are the technical specifications for the STLB20 model?

Capacity: 0.5-1.0 t/hr, Feeding Size: 0-2.5 mm, Power: 1.1 kw, Cone Speed: 800 rpm, Water: 1.5-2.0 t/h, Dimensions: 800*560*710 mm.

Q:Is the machine customizable?

Yes, customization is available for application, motor (China Top Brand), installation (Engineer Guide), and drawings.

Q:What is the warranty period for this equipment?

The machine comes with a 1-year warranty and one-year after-sales service.