Professional Manufacturer of Rock Drilling Tools
Qingdao Ligaoxin Machinery Co., Ltd. – Advanced production technology, high-quality tools, moderate prices, and excellent after-sales service.
About Ligaoxin
Qingdao Ligaoxin Machinery Co., Ltd., formerly known as Qingdao Zhigao Machinery Co., Ltd., started producing DTH drill tools in 1998. We developed DTH hammer bits, DTH hammers, and drill rods in collaboration with the Shandong Institute of Geology.
In 2005, we partnered with Swedish rock drilling manufacturers to jointly produce DTH drilling tools. By 2010, we expanded into the top hammer drill tool and tricone bits industry.
Today, our product range includes DTH hammers, DTH hammer bits, DTH drill rods, top hammer drill tools, and mining tricone bits — all meeting international standards.
ISO & API Certified
Compliant with international and national GB standards
Why Choose Ligaoxin?
Four key reasons why customers around the world trust us for their rock drilling needs.
High Quality
Strict technological process with over 20 production and testing procedures. Products meet ISO, API, and GB standards.
Long Life & Efficiency
Made from premium steel and China's best tungsten carbide alloy, ensuring extended service life and high drilling efficiency.
Moderate Price
Competitive pricing without compromising on quality. Direct factory pricing ensures value for money.
Excellent After-Sales Service
Fast response, global shipping via air, express, or sea. Dealers in multiple countries ensure local support.
Our Products
High-performance rock drilling tools designed for civil engineering, well drilling, and mining applications.
DTH Hammer Drill Tool
High-efficiency down-the-hole hammer for hard rock drilling. Ideal for mining and construction.
- • Meets ISO & API standards
- • Long service life
- • Available in multiple sizes
Top Hammer Drill Tool
Reliable and durable top hammer drills for surface and underground drilling.
- • High impact energy
- • Precision engineering
- • Low maintenance
Mining Tricone Bit
Robust tricone bits for rotary drilling in mining and oil exploration.
- • Tungsten carbide inserts
- • Sealed journal bearings
- • High ROP (Rate of Penetration)
DTH Hammer Bit
High-performance hammer bit for efficient rock penetration in tough conditions.
- • Optimized nozzle design
- • Wear-resistant alloy
- • Consistent drilling depth
Drill Rods
Precision-forged drill rods compatible with major DTH systems.
- • High tensile strength
- • Threaded connections
- • Corrosion resistant
Combined DTH Hammer
Integrated hammer system used in Qingdao Metro construction.
- • Proven in infrastructure projects
- • High reliability
- • Easy maintenance
24 Inch DTH Hammer & Bit
Large diameter hammer and bit for deep foundation and piling work.
- • High air pressure tolerance
- • Stable drilling performance
- • Suitable for hard rock
Numa120 DTH Hammer Bit
Compatible with Numa series hammers. Shipped to Saudi Arabia and other regions.
- • Direct replacement
- • High durability
- • Global shipping available
Case Study: Qingdao Metro
The combined DTH hammer developed by Ligaoxin was successfully applied in the construction of the Shandong Qingdao Metro. Our tools demonstrated exceptional performance in hard rock conditions, ensuring timely project completion with minimal downtime.
This project highlights our capability to deliver reliable, high-performance drilling solutions for large-scale infrastructure developments.
View More CasesFrequently Asked Questions
What standards do your products meet?
Our products comply with international ISO and API standards, as well as national GB series requirements.
Do you offer custom drilling tools?
Yes, we can customize drilling tools based on client specifications and project requirements.
How do you ensure product quality?
We use high-precision German equipment and follow over 20 strict production and testing procedures to ensure consistent quality.
What is your delivery time?
Standard products are shipped within 3-7 days. Custom orders typically take 15-30 days depending on complexity.
Can you ship internationally?
Yes, we ship to ports worldwide via air, express, or sea freight. We have dealers in many countries for faster local delivery.
Get in Touch
Contact us for product inquiries, custom solutions, or partnership opportunities.
Contact Information
Phone: 86-53286764888
Email: anne.ligaoxin@gmail.com
Address: No.893 Tuanjie Road Economic Development Zone Qingdao City, China
Business: DTH Hammer, Top Hammer Drill Tool, Mining Tricone Bit
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