23+Years of industry experience
50+Countries and regions served
6Core drilling applications
OEM / ODMPrimary cooperation model
Who We Are
Built on drilling-tool experience, structured for global supply.
HLDRILLS is the international brand of Hunan Hongli Zuolian Machinery Equipment Co., Ltd. We specialize in DTH hammers and bits, RC drilling tools, tricone bits, top hammer tools, drill pipes and supporting drilling systems.
Backed by more than 23 years of industry experience and a coordinated manufacturing supply chain, we provide product sourcing, OEM/ODM development, private-label support and application-focused technical coordination. Our export business was formally launched in 2026 to serve global partners through a dedicated international platform.
Our purpose is simple: help customers drill more efficiently, manage supply risk and reduce total drilling cost.
One-Stop Supply
A full-link supply chain for rock drilling equipment and tools.
Our business model is built around OEM/ODM cooperation and integrated supply. We work with importers, distributors, brand owners, contractors, rig manufacturers and project teams that need consistent quality, practical product combinations and reliable replenishment.
The value we aim to deliver is measurable in the field: lower drilling cost, higher drilling efficiency, a more stable supply chain and safer brand cooperation.
What we supply
- DTH hammers and drill bits
- Reverse circulation hammers and bits
- Tricone bits and top hammer tools
- Drill pipes and supporting accessories
- Casing systems for unstable formations
- OEM, private label and neutral packaging
Supporting six demanding drilling environments.
We align products and supply plans with the formation, equipment and commercial priorities of each application.
MiningTools selected around drilling efficiency, service life and cost per meter.
Water WellProduct matching for completion reliability, unstable formations and project cycle time.
Geological ExplorationRC and exploration tooling focused on representative sampling and operational continuity.
QuarryingDTH configurations that support stable blast-hole production and daily output.
GeothermalDeep-hole tool and drill-string coordination for demanding drilling programs.
Foundation EngineeringODEX, symmetric and concentric casing solutions for borehole stability.
Built to work behind your business, not compete with it.
Our cooperation model is designed for customers who need product breadth, confidentiality and long-term supply support.
01
Importers & Distributors
One-stop product combinations, stable replenishment and market-ready supply support.
02
Brand Owners
Private-label development, neutral packaging and disciplined customer-information protection.
03
Contractors & Project Owners
Application review, product matching and practical support around drilling cost and delivery.
04
Rig Manufacturers & EPC Teams
Coordinated drill-tool packages that strengthen the complete equipment or project offer.
The principles behind every shipment.
Reliable cooperation depends on more than a product list. These commitments shape how we select, prepare and support each order.
01
Stable Quality
Mature manufacturing coordination and quality-control processes support consistent product performance.
02
Supply Continuity
A broad supply network helps partners consolidate purchasing and maintain reliable replenishment.
03
Confidential OEM Cooperation
Private labels, neutral packaging and customer information are handled with disciplined confidentiality.
04
Application Support
We review operating conditions and product compatibility before recommending a practical configuration.
Company Identity
One company. One global-facing brand.
Registered Company
湖南泓砺钻联机械设备有限公司
Hunan Hongli Zuolian Machinery Equipment Co., Ltd.
International Trading Name
Hunan HL Drilling Union Machinery Co., Ltd.
Brand
HLDRILLS
Industry
Rock Drilling Equipment and Tools Industry
International Business
Export business formally launched in 2026
Looking for a drilling-tool partner who understands both the field and the supply chain?
Tell us your application, operating conditions, product requirements or OEM plan. We will help define the next practical step.