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Technical Gaps Between Domestic and Imported Brands of Single-Arm and Double-Boom Rock Drilling Rigs
Release time:
2026-10-01
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Summary:
In tunneling and mining excavation projects, single-arm and double‑curved‑arm rock‑drilling rigs are the core equipment for drill-and-blast construction. Currently, the global market for rock‑drilling rigs is characterized by a competitive landscape dominated by Europe and North America, with Japan and China closely following. Nordic companies, leveraging their first‑mover advantage and extensive technological expertise, firmly hold the leading position in the high‑end segment. Domestic firms, meanwhile, capitalize on their cost‑effectiveness to capture the mid‑ and low‑end markets, while foreign brands rely on their technological edge to lead the premium segment. Nevertheless, significant gaps persist between these players in key areas such as core components, control systems, and overall machine reliability.
I. Core Hydraulic Components: The Gap Between “Functional” and “Durable”
The hydraulic system is the power core of a rock‑drilling rig, and its performance directly determines the equipment’s operational efficiency and service life. Imported brands such as Epiroc’s Boomer series are equipped with the ROC intelligent drilling control system, which can monitor rock hardness in real time and automatically adjust drilling parameters. Sandvik’s DD‑series rigs employ a proprietary constant‑pressure drilling technology that delivers excellent performance in deep‑well operations exceeding 3,000 meters, extending bit life by approximately 40% compared with similar products. Over decades, these imported brands have amassed extensive experience in hydraulic‑system matching accuracy, thermal‑balance management, and seal durability, giving them a distinct advantage in stability under continuous high‑load operation.
In recent years, Chinese manufacturers have significantly accelerated their efforts to catch up. By 2025, the domestic localization rate for core components such as hydraulic pumps and impact valves is expected to exceed 60%. Shanhe Intelligent’s independently developed hydraulic rock drills deliver an impact power of up to 24 kW and an impact frequency of 50–60 Hz, demonstrating strong performance even under demanding hard-rock conditions. However, in critical areas—such as high‑flow, high‑pressure hydraulic components—China’s high‑end equipment remains heavily reliant on imports. In terms of pressure stability under prolonged continuous operation, internal leakage control, and service life, domestically produced hydraulic components still lag behind international brands like Rexroth and Danfoss.
II. Intelligent Control Systems: The Gap Between “Manual” and “Automatic”
Intelligence is one of the areas where the gap between domestic and imported brands is most pronounced. Epiroc’s Boomer series, equipped with the ROC intelligent drilling control system, can monitor rock hardness in real time and automatically adjust drilling parameters, achieving 5,000 hours of fault-free operation in ultra-deep mines such as the Perth Gold Mine in Australia. Sandvik’s DD422i dual‑arm rig employs AI‑based drilling control technology. In the realm of automated control, leading imported brands have already established a fully integrated closed loop—covering everything from blasthole planning and automatic targeting to adaptive adjustment of drilling parameters and end-to-end data collection.
By contrast, the vast majority of rock‑drilling rigs currently available in China still rely on manual control of the drilling boom to create blast holes, resulting in a relatively low level of automation. However, leading companies are rapidly catching up. CRRC Heavy Industry’s ZYS302 tunneling rig has reduced its drilling error rate to 0.3%, achieving performance comparable to international best practices. The DW3‑180E fully computerized rock‑drilling rig is equipped with an integrated V4.0 intelligent control system that supports one‑button automatic drilling and blast‑hole map import, and offers 13 functional modules, including MWD‑based geological analysis and 3D tunnel‑profile scanning. Meanwhile, imported brands have deeper expertise in software algorithm optimization—such as anti‑bit‑sticking and adaptive pressure regulation—and continue to depend on imports for high‑end smart chips and high‑precision sensors.
III. Manufacturing Process and Long-Term Reliability: The Gap in Precipitation Time
Machine reliability and manufacturing process sophistication are among the core competitive barriers for imported brands. Epiroc’s Boomer series has demonstrated 5,000 hours of continuous, trouble-free operation in Australia’s ultra-deep underground mines. Sandvik’s DD series boasts a penetration rate exceeding 60% in world-class projects such as Chile’s Escondida copper mine. In contrast, early‑generation domestic equipment, hampered by relatively low technological levels and poor reliability, once held a market share of less than 10%. After years of catching up, while the reliability of domestically produced machinery has improved markedly, gaps remain in areas such as overall fatigue life, long-term precision retention, and adaptability to extreme operating conditions.
IV. Cost-Effectiveness and the Aftermarket: The Trade-off Between Value and Price
Imported brands maintain a high-end positioning in both pricing and service. An imported, fully computerized three-boom rock‑drilling rig costs approximately RMB 12 million, whereas a comparable domestically produced unit retails for around RMB 8 million, representing a cost reduction of roughly one-third. China Railway Construction Heavy Industry’s fully computerized three‑boom rock‑drilling rig is nearly 30% cheaper than its fully imported counterparts, with technology now on par with the international cutting edge. However, domestic firms such as Wuxin Tunnel Equipment still lag behind international brands in terms of global brand recognition, and their equipment’s foundational manufacturing processes and durability are slightly inferior. Moreover, the after‑sales service networks of imported brands are more mature; for example, Epiroc derives as much as 68% of its revenue from aftermarket services.
V. Gaps Remain, but the Pace of Catch-Up Is Accelerating
After decades of development, domestically produced rock‑drilling rigs have advanced from a market share of less than 10% in their early years to a localization rate exceeding 70%. China Railway Construction Heavy Industry has achieved a leap—from trailing behind to taking the lead—in fully computer‑controlled three‑arm rock‑drilling rigs; XCMG’s electric single‑arm rig boasts an endurance of up to six hours, with export volumes growing 30% year over year. Nevertheless, perceptible gaps remain between domestic and imported brands in areas such as the long-term stability of hydraulic systems, the maturity of intelligent control algorithms, overall machine reliability, and brand premium pricing power. As electrification and intelligent technologies continue to evolve, domestic equipment is seeking opportunities to overtake competitors by leveraging these emerging technological frontiers.
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