Xianghe, Hebei, China — August 11, 2026 — As underground mining operations and infrastructure projects worldwide push into harder geological formations, the demand for reliable, cost‑effective drilling equipment continues to climb. Industry analysts project the global pneumatic rock drill with air leg market to expand at a compound annual growth rate of roughly 4.5 percent through 2031, reaching nearly USD 490 million as miners and contractors seek tools that balance penetration speed, air efficiency, and long service life. Against this backdrop, Tianjin Shenli Machinery Trading Co., Ltd. — the export arm of Hebei Shenli Pneumatic Machinery Co., Ltd. — has announced a strengthened product portfolio spanning both hand‑held rock drill and air‑leg rock drill categories, targeting gold mines, coal mines, copper operations, quarrying sites, and tunnel engineering projects across Africa, the Middle East, Southeast Asia, and Latin America.
A Full Spectrum of Pneumatic Drilling Solutions
For project managers sourcing a pneumatic rock drill fleet, one of the persistent challenges is matching the right machine to the rock hardness, hole diameter, and working space at each face. Shenli's expanded lineup addresses this by offering thirteen core models that cover light‑duty secondary blasting through heavy‑duty hard‑rock excavation.
On the hand‑held rock drill side, the company supplies the YO18, Y19A, Y20LY, Y24, Y26, and TY24C series. These machines are engineered for jobs where maneuverability matters more than raw thrust — narrow vein stoping, stone splitting, secondary breakage in quarries, anchor hole drilling, and small‑scale tunnel trimming. The YO18, for instance, serves as a versatile entry‑level unit suitable for soft to medium rock formations, while the Y19A steps up the impact energy for medium‑hard conditions. The Y20LY remains a popular lightweight choice for mining jack hammer applications where operators work in confined spaces, and the Y24 and Y26 deliver progressively higher percussion power for harder stone. The TY24C, with its optimized cylinder geometry, is favored by contractors who need a durable handheld jackhammer for concrete breaking and pavement repair alongside rock drilling duties.
For operations requiring sustained thrust and deeper holes, Shenli's air‑leg rock drill range includes the YT24, YT27, YT28, YT29A, S82, S250, and S83. The YT24 is a compact pusher leg rock drill well suited to small and medium mine tunnels, where its modest weight and balanced handling reduce operator fatigue during long shifts. The YT27 has long been a workhorse in conventional underground mining, offering strong flushing capability and high rotary torque for blast hole drilling in medium‑hard to hard rock. The YT28, perhaps the most widely recognized model in the series, combines high drilling speed with relatively low noise output, making it a preferred choice for large‑scale mine development and highway tunnel projects.
The heavy‑duty end of the spectrum is anchored by the YT29A, S82, S250, and S83. The YT29A pneumatic rock drill is designed for high‑intensity operations in f=8–18 rock, with an 82 mm piston diameter and impact energy exceeding 70 joules, enabling it to maintain steady penetration in basalt, granite, and similar hard formations. The S82 — marketed alongside the YT29S configuration — features an enhanced rotary mechanism that delivers more than 10 percent greater torque than the YT28, according to the company's internal field tests. The S250, sometimes referenced as the Secoroc 250 class, is a wet‑type rock drill built for underground mining rock drill environments where dust suppression is a priority. The S83 jackleg drill rounds out the heavy‑duty lineup, engineered specifically for hard rock drilling in deep mines and large‑diameter tunneling, with a reputation for low maintenance cost and high availability in demanding production schedules.
Engineering Priorities: Air Efficiency, Durability, and Operator Comfort
Across the entire range, Shenli's engineering team has focused on three design pillars that directly affect a customer's total cost of ownership.
First, air consumption efficiency. Every pneumatic drilling machine runs on compressed air supplied by a mobile or stationary compressor, and wasted air translates directly into higher diesel or electricity costs. Shenli's valve and piston configurations are calibrated to deliver strong percussive frequency — typically 36 Hz or higher across the YT series — while keeping air consumption within competitive bounds. For example, the YT28 operates at approximately 81 liters per second under rated load, while the YT29A achieves its higher impact energy at roughly 65 liters per second, a meaningful difference for operations running multiple drills off a single compressor skid.
Second, wear‑part longevity. The piston, rifle bar, rotation chuck, and drill steel shank are the highest‑wear components in any jack hammer mining drill. Shenli uses heat‑treated alloy steel for critical internal parts and offers a full catalog of spare parts — including pistons, cylinders, valve assemblies, rubber seals, lubricators (FY250 and compatible types), and air leg assemblies (FT160A, FT160B, FT160C) — so that customers can perform maintenance on site without long lead times. The company also supplies tapered drill rods, button bits, and coupling sleeves, making it a single‑source supplier for both the drilling machine and its consumables.
Third, operator ergonomics and safety. Several models incorporate sound‑dampening housing to reduce noise exposure, and the wet drilling capability — standard on most YT and S‑series units — injects water through the drill steel to suppress silica dust, a critical feature for compliance with modern underground mining health standards. The control handles are positioned for intuitive operation, and the air‑water linkage ensures that water flows before air when starting a hole, preventing dry drilling and the associated dust burst.
Factory Capabilities Behind the Brand
What distinguishes Shenli from many trading‑only suppliers is that it operates its own manufacturing facility in the Qukou Industrial Zone of Xianghe County, Langfang City, Hebei Province. The factory has produced pneumatic rock drills, pneumatic breakers (TPB40, TPB60, TPB90), pneumatic picks (G10, G11, G15, G20), drill bits, drill pipes, chisels, moil points, and related mining equipment for over fifteen years.
Production is supported by in‑house CNC machining centers, grinding machines, milling machines, and drilling machines, allowing the company to maintain tight tolerances on cylinder bores, piston fits, and valve seat surfaces. Each assembled rock drill undergoes air‑pressure testing before packaging, and the quality management system follows ISO 9001 principles. The factory also accepts OEM orders — customers can request custom branding, color finishes, and specialized packaging for their regional markets.
This vertical integration means that Shenli can offer factory‑direct pricing on volume orders, maintain spare parts inventory for rapid dispatch, and provide technical support based on actual manufacturing knowledge rather than reseller documentation. The export team at Tianjin Shenli Machinery Trading handles logistics, including FOB, CIF, CFR, EXW, and CPT terms, and ships by sea for bulk orders or by express (DHL, TNT, FedEx, UPS) for sample and small‑batch shipments.
Application Scenarios: From Quarry Benches to Metro Tunnels
The breadth of the lineup means that Shenli can equip a single contractor for multiple project types. A quarry operator drilling granite bench holes might deploy the YT28 or S83 for primary blast holes and use the Y24 or Y26 hand‑held unit for secondary rock breaking and block splitting. A coal mine development team could rely on the YT27 for roadway advancement and the YT24 for cross‑cut and chamber work. A metro tunnel contractor working in mixed ground might use the YT29A for hard rock sections and switch to the YO18 or Y19A for softer ground or utility potholing.
Infrastructure projects — railway tunnels, highway cuts, hydroelectric caverns, bridge pier foundations, and slope stabilization drilling — represent another major growth segment. The S250 wet rock drill is particularly relevant here, as its dust control aligns with the stricter environmental requirements of urban and near‑urban construction sites. For anchor hole drilling in slope stabilization and tunnel support, the lighter YT24 and hand‑held models offer the precision needed for pattern drilling.
The company also notes that its equipment pairs naturally with portable diesel air compressors in the 5 to 12 cubic‑meter‑per‑minute range, including the Liutech LUY050‑7 (7 bar, 5 m³/min) and LUY120‑14 (14 bar, 12 m³/min) series, as well as smaller reciprocating compressors such as the W‑1.8/5 and W‑2/5 units commonly used with hand‑held drills. This compatibility allows customers to source a complete drilling system — compressor, rock drill, air leg, lubricator, drill steel, and bits — from one supplier.
Market Outlook and Customer Support
Looking ahead, Shenli sees continued strong demand from emerging mining regions where conventional pneumatic drilling remains the most cost‑effective choice. Automated drill rigs, while growing in large open‑pit operations, are often impractical in narrow vein mines, small‑scale tunnels, and projects with limited capital budgets. Pneumatic jackleg drills offer a lower entry cost, simpler maintenance, and easier repair in remote locations — advantages that keep them relevant even as the broader industry digitizes.
To support its international customer base, Tianjin Shenli Machinery Trading provides pre‑sales consultation to help buyers select the correct model and air compressor pairing, along with after‑sales technical guidance. Core components carry a standard warranty, and replacement parts are kept in stock for fast shipment. Customers can reach the sales team by email at shenli_april@163.com or via WhatsApp at +86 15512608355 for quotations, specifications, and OEM inquiries.
As global mining and infrastructure spending remains resilient through 2026 and beyond, the companies that can deliver dependable drilling equipment at competitive price points — backed by real manufacturing capacity — are well positioned to capture market share. With its expanded hand‑held and air‑leg rock drill portfolio, Shenli is signaling its intent to be among them.
About Tianjin Shenli Machinery Trading Co., Ltd.
Tianjin Shenli Machinery Trading Co., Ltd. is the export division of Hebei Shenli Pneumatic Machinery Co., Ltd., a manufacturer of pneumatic rock drills, pneumatic breakers, pneumatic picks, drill bits, drill rods, and associated mining equipment based in Xianghe County, Hebei Province, China. The company serves mining, tunneling, quarrying, and construction customers worldwide with factory‑direct pricing, OEM capabilities, and comprehensive spare parts support.
Media Contact
Tianjin Shenli Machinery Trading Co., Ltd.
Email: shenli_april@163.com
WhatsApp: +86 15512608355
Website: https://www.y‑sld.com
Post time: Aug-11-2026
