Our History
Quzhou Shenjian Machinery Factory
- Officially established in 2003, Quzhou Shenjian Machinery Factory has dedicated over two decades to deep cultivation within the field of mining machinery manufacturing. It stands today as a comprehensive enterprise integrating specialized manufacturing, precision machining, market sales, and metal surface oxidation and anti-corrosion treatments. Since its inception, the company has remained steadfastly focused on the core segments of the mining machinery sector, upholding a business philosophy centered on "Quality First, Technology-Driven, and Customer Foremost." We specialize in the R&D and production of core products-including down-the-hole (DTH) drilling rigs, drill rods, air-leg rock drills, and related accessories. Through years of industry accumulation and technological iteration, the company has evolved from a modest early-stage processing workshop into a professional manufacturer within China's mining machinery landscape, distinguished by its large-scale production capabilities, mature process systems, and comprehensive service chain.
- Headquartered in Quzhou, Zhejiang-and leveraging the region's strategic location and industrial resources-the company continuously optimizes its production workflows and upgrades its technological standards. By staying closely attuned to the evolving demands of industries such as mining and infrastructure construction, we consistently provide domestic and international clients with high-performance, highly reliable rock drilling equipment and complementary accessories.
- Through these efforts, we have amassed extensive manufacturing experience and cultivated an excellent market reputation within the industry, establishing ourselves as a trusted, long-standing, and formidable manufacturer in the field of mining machinery.

Our Factory
Quzhou Shenjian Machinery Factory is a specialized manufacturing enterprise dedicated to the field of mining machinery. The factory possesses a complete and mature end-to-end production line for mining equipment, equipped with systematic and standardized manufacturing and testing facilities. It is capable of independently executing the entire production chain-from raw material cutting, precision machining of core components, and anti-corrosion surface treatments, to final assembly, performance debugging, and finished product inspection. By eliminating the need for external subcontracting, the factory maintains strict control over both product quality and production efficiency right from the source. Adhering steadfastly to the principles of "refined manufacturing and standardized management," the factory has established a rigorous production management system and stringent quality inspection standards.


Each stage of the production process is assigned to dedicated personnel for supervision and inspection, ensuring that every piece of equipment and every component meets both industry quality requirements and client operational standards. As a professional manufacturing hub for mining machinery, the factory focuses primarily on the production of down-the-hole (DTH) drilling rigs, drill rods, and associated accessories. By continuously refining its manufacturing processes and enhancing product quality-and leveraging its mature production system, rigorous control protocols, and professional manufacturing expertise-the factory delivers stable, high-quality products to clients worldwide, thereby serving as a vital pillar of the enterprise's core competitiveness.
Our Product
Electric Down-the-Hole (DTH) Drilling Rigs
Pneumatic DTH Drills
Various Models of Drill Rods
Adapter Couplings
Rock Drill Air Legs
Casing Tubes, etc.
Product Application

Open-pit and Underground Mines, Infrastructure, and Water Conservancy (Mining, Transportation Infrastructure, Water Conservancy and Hydropower, Municipal Engineering, Geology, and Tunnel Engineering)
Our Certificate
■ Quzhou Shenjian Machinery Factory currently holds twelve valid utility model patents granted by the National Intellectual Property Administration. These patented technologies comprehensively cover the core domains of drill pipe manufacturing and processing, associated tooling, and drill rig components. Specifically, they encompass key technological areas such as drill pipe clamping fixtures, processing tooling, automated loading devices, progressive feeding mechanisms, welding clamping devices, processing and holding fixtures, feed and discharge equipment, length-adjustable drill pipes, drill rig adapter subs, heat treatment and quenching apparatuses for drill pipe joints, and external surface deburring devices for drill pipes. Applications for all the aforementioned patents were filed in 2018 and granted in 2019; ownership transfers were finalized in 2024. The patent rights currently remain stable and valid, with the annual fees for the sixth year having been paid in full. These patented technologies span the entire value chain of drill pipes-from manufacturing and processing to associated tooling and final product application-thereby providing robust technical support and comprehensive intellectual property protection for the company's R&D, production, and quality enhancement initiatives regarding its drill pipes and complementary drill rig products.
Production Equipment
CNC Lathes: 30 units
Milling Machines: 3 units
Friction Welding Machines: 2 units
Machining Center: 1 unit
Steel Tube Upsetting Machine: 1 unit
Production Market

Quzhou Shenjian Machinery Factory's sales network spans both domestic and international markets, characterized by a broad market footprint and consistently growing performance. In the domestic market, our products have reached numerous provinces, municipalities, and autonomous regions across the country. We focus strategically on cultivating key regions-specifically those rich in mineral resources, areas prioritized for transportation infrastructure development, and hubs for water conservancy and hydropower projects. Leveraging our consistent product quality and comprehensive service system, we have established ourselves as a long-term partner for a multitude of domestic mining enterprises, construction firms, and equipment distributors.
In the international arena, the company relies on three primary channels-overseas distributors, collaborative engineering projects, and specialized foreign trade companies-to export our high-quality products to numerous countries and regions worldwide. These products are widely utilized in overseas mining operations, infrastructure projects, and similar undertakings, earning high recognition and unanimous acclaim from our international clientele. Guided steadfastly by customer needs, the company continuously optimizes both product performance and service quality. This commitment has resulted in a steady increase in domestic market share and continuous expansion in overseas markets. Having cumulatively served thousands of domestic and international clients, we have successfully cultivated a premium brand image within the mining machinery industry, securing robust market performance and an excellent professional reputation.

Our services
Professional consultants provide one-on-one consultations to tailor a packaging solution specifically for you.
We strictly oversee the production process to ensure both quality and on-time delivery, with real-time progress updates.
We offer comprehensive follow-up services and respond efficiently to your needs, ensuring a worry-free partnership.

