What is the rotation speed range?

The rotation speed is low: 75rpm and high: 110rpm.

Hfg-21 Portable Mining Used DTH Drilling Rig

Name: Hfg-21 Portable Mining Used DTH Drilling Rig
Brand: Henan Hanfa Heavy Industry Equipment Co., Ltd.
SKU: 2113633344

Henan, ChinaHenan Hanfa Heavy Industry Equipment Co., Ltd.

US$36,000.00-38,000.00

1 Set

Product profile

Customization

Available

Certification

CE, ISO 9001:2000, ISO 9001:2008

Condition

New

Model NO.

hfg-21

Drill Hole Diameter

<100mm

Drill Hole Depth

<100m

Bit Type

DTH Bit

Drilling Way

Impactor

Working Pressure

14.5 MPa

Hole Range

80-100mm

DTH Hammer

3.5'' Standard

Hole Depth (Max)

25m

Drill Pipe Length

3,000mm

Drill Pipe Dia

60mm

Tramming Speed

2/3.2km/Hr 2speed

Rotation Speed (Max)

Low:75rpm High:110rpm

Rotation Torque

1450n.M

Weight

7000kg

Transport Package

International Standard

Specification

CE, ISO

Trademark

HANFA

Origin

Zhengzhou City China

Production Capacity

20sets /Month

Key features

Dust-Free Drilling: Standard high-efficiency dry dust collector ensures environmental friendliness and energy saving.

Robust Structural Design: All structural parts are reinforced for greater reliability and quality.

Compact Rotation Unit: Driven by cycloid motor for compact structure, low failure rate, and improved torque.

High Tramming Efficiency: Features national standard engineering machinery tramming track for greater climb ability.

Easy Maintenance: New enclosure design improves appearance and facilitates convenient maintenance and service.

Certified Quality: Product holds CE, ISO 9001:2000, and ISO 9001:2008 certifications.

Versatile Operation: Fast and low speed switchable for feeding, lifting, and rotation to improve efficiency.

Company profile

Henan Hanfa Heavy Industry Equipment Co., Ltd.

Henan, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2005-05-02Nearest Port: qingdao, tianjin, shanghaiAverage Response Time: ≤4.85hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryJiaozuo Hanfa Industrial Co., Ltd. is identified as a private Chinese manufacturer, trading company, and group corporation, with a factory in Wuzhi County, Henan, while related Hanfa entities operate from Zhengzhou. The supplier offers drilling, mining, crushing, mineral-processing, and auxiliary equipment. Evidence indicates ISO 9001 certification, substantial export activity, overseas offices, experienced engineering and R&D personnel, four production lines, and 50 quality-control staff. The group reports completing 600 mine EPC projects, supporting its customer-case experience. It also describes dedicated after-service capability and integrated research, manufacturing, sales, and service operations. However, the provided information does not establish financial credibility, customization capability, or a quantified innovation performance beyond stated patents and R&D resources.

Supplier typeThe supplier is explicitly classified as a Trading Company, Manufacturer/Factory, and Group Corporation, with company nature also recorded as a factory. Its listed activities and products cover industrial equipment, drilling rigs, crushers, mills, mineral-processing lines, and related equipment.

CertificationsThe supplier management system is identified as ISO 9001, and the company states that its products passed ISO 9001:2000 quality-system certification. These slices provide explicit certification evidence, although no additional current certificates are listed.

After-Sales capabilityThe company describes a special after-service team, identifies service as a core principle, and states that quality and service have received consistent customer praise. These statements directly support an organized after-sales capability, although service coverage or response metrics are not provided.

R&D capabilityThe group reports experienced engineers, a professional R&D team, 31–40 years of total R&D-engineer experience, research and manufacturing capability, and 30 patents. These are explicit indicators of innovation resources and outputs.

Production capacityThe supplier is identified as a factory and manufacturer, operates four production lines, employs 50 quality-control staff, and describes sophisticated equipment and advanced technology. Its stated export history and product range further support established manufacturing capability.

Client casesThe company reports completing 600 mine EPC projects, serving mine-industry customers for many years, exporting to more than 20 countries through one group description and to more than 60 countries and regions through another. These claims provide substantial stated project and international customer experience, although individual customer names are not supplied.