About Us
  Changsha Chaojingang Machinery Manufacturing Co.,Ltd is a modern high-tech enterprise specializing in the research and manufacturing of rock drilling machinery and drilling tools. Located in the beautiful fireworks city of Liuyang, Changsha, our company covers an area of 26,600 square meters, with a production workshop of 22,000 square meters. We currently employ nearly 100 staff members, including 26 engineering technicians and 8 senior engineers...

Material Advantage

We cooperate with China's top steel factory to select top quality raw materials and conduct strict testing on each batch of raw materials.We use customized raw materials, hrough the adjustment of various trace elements, so that the raw materials for drilling tools to reach a new height.

Production Advantage

Full-process production line, which makes it easier to control quality. and we have leading product customization capabilities and can adjust product design and process flow according to customers' different geological conditions and usage conditions, thereby increasing product service life and reducing failure rates.

Technical Advantage

With 26 engineers ,8 senior engineers, we strictly follow the ISO9001 quality control system and standardize every step of the operation. Most of our workshop workers have more than 10 years of experience in drilling tool production.

Service Advantage

With professional pre-sales and after-sales services, our company's customer satisfaction and repurchase rate are among the top in China. Bulk and customized small packaging, FOB, CIF, DDU and DDP. Let us help you find the best solution for all your concerns.

Our Advantage
Our Honor
Our company has successively received such honors as "Hunan Province New Materials Enterprise" and "National High-tech Enterprise."
新闻和案例

新闻和案例

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According to the Interim Measures for the Gradient Cultivation and Management of High-Quality Small and Medium-sized Enterprises (MIIT Enterprise No. 63 [2022]) issued by the Ministry of Industry ...
To promote the standardized and high-quality development of the drilling tools industry, the kick-off meeting for the group standard High-Pressure Reverse Circulation Drill Pipes and Joints was su...
Proper operation and maintenance are critical to equipment life, drilling efficiency, and safety during DTH hammer use. The following precautions are divided into three parts: preparation, operatio...
Both the Mission series and the QL series are mainstream DTH (down‑the‑hole) hammer interface systems, but they differ noticeably in structural design, airflow configuration, suitable working condi...
Both the Mission series and the QL series are mainstream DTH (down‑the‑hole) hammer interface systems, but they differ noticeably in structural design, airflow configuration, suitable working condi...
1. Flat‑Face BitsGeneral‑purpose bits, suitable for most common conditions.Features:Simplest and most versatile structure; impact force acts directly on the rock, offering high energy transfer effi...
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