What is the lead time for production?

The average lead time is within 15 workdays for both peak and off-peak seasons.

What is the minimum turning radius?

The minimum turning radius is 2.8 meters (Inner R 2800 mm, Outer R 4900 mm).

What is the power source for the drilling operation?

The drilling operation is driven by a 55 kW electric motor (Model GN13081501).

Hfg-21j Underground Drilling Jumbo Digging Machine

Name: Hfg-21j Underground Drilling Jumbo Digging Machine
Brand: Henan Hanfa Heavy Industry Equipment Co., Ltd.
SKU: 2113631934

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

US$230,000.00-270,000.00

1 Set

Product profile

Customization

Available

Certification

CE, RoHS, ISO 9001:2000, ISO 9001:2008

Condition

New

Model NO.

HFG-21J

Motor

DC Motor

Drill Hole Diameter

41-89 mm

Drill Hole Depth

2830 mm/3440 mm/4050 mm

Bit Type

DTH Hammer Bit

Drilling Way

Rotary

Rod Size

(R32, R38, T38) 3090 mm/3700 mm/4310 mm

Hydraulic System Pressure

230 Bar

Percussion Power

20 Kw

Rotation Speed

0-388 Rpm

Maximum Torque

752 N.M

Tramming Turning Radius

Inner R 2800 mm, Outer R 4900 mm

Transport Package

Standard Exporting Packing

Specification

international

Trademark

Origin

Zhengzhou

Production Capacity

1000sets/Year

Key features

Dual Power Configuration: Diesel engine for tramming and electric motor for drilling ensures zero emission and low noise.

360 Rotating Function: Allows 35 m2 face drilling coverage in one operation with automatic horizontal positioning.

Ultra-Narrow Design: 1.65 m width chassis with 2.8m turning radius suitable for narrow underground mines.

Advanced Anti-Jamming: Adjusts rotation, feed, and percussion pressure automatically based on rock conditions.

High Reliability System: CAN technology with modular layout and simplified circuitry for easy troubleshooting.

Heavy Duty Feed Beam: Aluminum alloy with stainless steel and PTFE lining for high anti-bending and corrosion resistance.

Comprehensive Safety: FOPS canopy, dual braking system, and emergency shutdown brake for underground safety.

Long Cable Travel: Large-capacity cable reel supports 70 m travel without disassembly.

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: ≤4.20hTerms 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.