Engineered for extreme wear-resistance in hard rock formations such as granite, iron quartzite, and basalt across Congolese mining basins.
The Republic of Congo (Brazzaville) is experiencing rapid industrial expansion across its mineral extraction and civil infrastructure sectors. Key mining zones—such as the high-grade iron ore deposits in Mayoko and Zanaga, the potash reserves in the Kouilou region, gold mining fields in Sangha and Cuvette-Ouest, and polymetallic extraction in the Niari Basin—demand rock drilling consumables capable of withstanding severe mechanical fatigue.
Geological conditions in Congo frequently feature abrasive quartz schist, dense granite, altered metamorphic rocks, and highly corrosive tropical groundwater. Standard drilling steels often suffer from premature shank fracture, severe body micro-flaking, and insert popping due to humid equatorial weather and extreme impact energy from heavy pneumatic hammer drills.
Our engineered Integral Drill Steels utilize ultra-high purity alloy bar stock subjected to full-length vacuum carburization and shot peening. This delivers exceptional bending fatigue strength and unmatched impact toughness, guaranteeing extended drill life and reduced cost-per-meter in Congolese mines and quarries.
Extremely hard iron quartzite and granitic formations require high-wear YG11 grade tungsten carbide chisel inserts.
High ambient humidity and acidic groundwater cause rapid pitting. Our anti-rust chemical coating and internal anti-corrosion barrier safeguard flushing holes.
Widespread use of YT24, YT28, and Y26 rock drills requires shank collars to possess elevated fatigue resistance against high frequency kinetic forces.
How our advanced manufacturing line eliminates common field failures such as collar breakage, rod snapping, and carbide degradation.
Formulated with high-purity chromium, molybdenum, and silicon alloy steel stock. Offers optimal toughness-to-hardness ratios, preventing internal stress fractures during high-impact drilling in tough granite.
Tungsten carbide chisel inserts (YG11/YG15) are joined to the steel head using automated silver alloy brazing technology. Guarantees zero insert loss even under high thermal and shear loading.
Deep thermo-chemical carburization hardens both external surfaces and internal flushing hole walls, while surface shot-peening induces compressive stresses that retard fatigue propagation.
| Hexagon Size (Hex) | Shank Specification | Chisel Bit Diameter | Effective Length Range | Flushing Hole Dia | Primary Application (Congo) |
|---|---|---|---|---|---|
| H19 mm | 108mm x 19mm / 82.5mm | 26mm – 35mm | 400mm – 3200mm | 6.5mm | Small hole dimensional stone quarrying, secondary blasting |
| H22 mm | 108mm x 22mm (Standard) | 29mm – 43mm | 400mm – 4800mm | 7.1mm | Underground iron/gold mining, road cutting, tunnel driving |
| H22 mm | 159mm x 22mm (Heavy duty) | 34mm – 43mm | 800mm – 6400mm | 7.1mm | Deep blast hole drilling, high-pressure pneumatic rigs |
| H25 mm | 159mm x 25mm | 35mm – 45mm | 1000mm – 8000mm | 8.5mm | Heavy-duty open-pit benchmarking & civil infrastructure foundation |
Driving Innovation in Industrial Machinery and Building a New Era of Advanced Equipment Manufacturing.
Shandong E-Way Machine Co., Ltd. is a modern industrial equipment manufacturer dedicated to the research, development, production, and service of high-quality machinery and engineering solutions. With a strong focus on technological innovation and manufacturing excellence, the company serves customers in mining, construction, and various heavy-duty industrial sectors worldwide.
Over the years, Shandong E-Way Machine has developed a diversified product portfolio covering mining and construction drilling equipment, pneumatic and hydraulic tools, anchoring and support systems, mechanical transmission components, and a wide range of spare parts and accessories. In addition, the company provides customized machining services, including precision components, structural parts, and wear-resistant engineering plastic products, meeting the specific needs of different working conditions and industries.
Quality is the foundation of our enterprise. Shandong E-Way Machine strictly follows a comprehensive quality management system throughout every stage of production—from raw material selection and precision machining to final inspection and testing.
Innovation is the core driving force behind Shandong E-Way Machine’s sustainable development. The company brings together experienced engineers and technical experts specializing in mechanical design and industrial equipment development. Through continuous research and development, we improve product structures, enhance operational efficiency, and upgrade performance reliability.
By integrating advanced manufacturing technologies and practical engineering experience, we have developed a series of independently designed products that deliver stable performance even under complex and demanding working environments.
At Shandong E-Way Machine, we uphold a customer-first philosophy and are committed to delivering complete lifecycle support. Our service system includes pre-sales consultation, technical solution design, installation guidance, and comprehensive after-sales support.
Component assembly
Integral assembly
Slice
Drum
Weld
Assembly table
Cutting machine
Barrel winder
Buried welder
We manage end-to-end international shipping workflows, customs documentation, and structural protection to ensure swift delivery to Congolese job sites.
Full compliance with Congolese customs requirements. We arrange the compulsory Bordereau Électronique de Suivi des Cargaisons (BESC) / Electronic Cargo Tracking Note (ECTN) for all ocean shipments entering Port of Pointe-Noire, preventing import delays or penalty tariffs.
Steels are treated with heavy-duty VCI anti-corrosion oil film, wrapped in moisture-proof plastic sleeves, and secured in steel-strapped, fumigated wooden cases designed to withstand ocean transit through tropical equatorial waters.
Established long-term partnerships with major ocean liners (Maersk, CMA CGM, MSC) operating direct container services from major Chinese ports (Qingdao, Shanghai, Ningbo) straight to Pointe-Noire container terminal.
Select from our certified range of rock drilling tools, carbide bits, step drills, and heavy-duty drilling accessories.
Clear technical guidance on integral drill steel selection, operational maintenance, and procurement for Congolese projects.
Partner with Shandong E-Way Machine Co., Ltd. for factory-direct prices, certified high-tensile integral drill steels, and dedicated shipping support to Republic of Congo.
