CD25A DTH Drill Bits Premium Drilling Tools Long Lasting Service Life

Product Application

Products Parameters:

1. high and low air pressure down-the-hole drill bits

2. Face type: drop center bit/concave face/convex face/double gauge face/flat face bit

3. Carbide button shape: domed/round button parabolic/semi-ballistic button ballistic button sharp button flat button

4. Drill rock type: Granite, Marble, Limestone, Basalt, ect.

5. Project types: Blast holes, Quarry , Anchoring, Infrastructure, Geothermal holes, Well drilling,ect.

About US

Changsha Chao Diamond Machinery Manufacturing Co., Ltd. is a modern high-tech enterprise specializing in research and manufacture of rock drilling machinery and pneumatic tools in China. The company has rich scientific research and production experience, using the best raw materials, advanced production technology and rigorous testing methods, to produce products with superior performance and stable and reliable quality. "Super Diamond" brand rock drilling and pneumatic series products are sold well all over the country due to their superior performance, stable and reliable quality. They have been exported in batches to more than 20 countries and regions, such as Korea, Brazil, Australia and South Africa, and are well received by users.

The company is located in Liuyang, Changsha, a beautiful fireworks city. It covers an area of 26600 square meters. Its production plant covers 22,000 square meters. It has nearly 100 employees, 26 engineers and technicians, and 8 senior engineers. There are nearly 400 sets of professional equipment for research, manufacture and testing of rock drilling machinery and pneumatic tools. The company develops and manufactures the most advanced positive and negative circulation DTH impactors; reverse circulation impactors; various positive and negative circulation DTH drills; eccentric follow-up pipe drilling tools, centerline follow-up pipe drilling tools, slider type follow-up pipe drilling tools, double follow-up pipe drilling tools for follow-up drilling in overburden and loose rock strata; various thread drills; It is widely used in earthwork engineering, mining, water well engineering and construction engineering, geothermal drilling, municipal engineering and other fields.Adhering to the spirit of excellent innovation, the company provides high-quality products, advanced technology, comprehensive service, the pursuit of customer-centered, quality-oriented, to provide overall rock drilling solutions as the development goal, sincerely hope to work with old and new friends to win-win and create a better tomorrow.

      Changsha Chaojingang machinery manufacturing Co., Ltd is a modern high-tech enterprise, which is specialized in researching and manufacturing rock drilling machine and pneumatic tools. The company has rich experiences for scientific research and production. It produces prime property and quality rock drilling products by using high-quality raw materials, utilizing advanced production technology and imposing strict quality inspection. The products produced by Super Drill are sold well all over China and exported to over 20 countries, such as Korea, Brazil, Australia, and South Africa etc, high praised by users for its prime property and quality.

      Changsha Chaojingang is located in Liuyang, Changsha, Hunan, which is known as a beautiful fireworks city. It occupies 26600m2, and workshop has 22000m2.With more than 100 staffs, our company includes 26 specialized technicians and 8 senior engineers. And we are equipped with nearly 400 sets of advanced equipment required for manufacturing rock drilling machine and pneumatic tools. We have designed and manufactured the following products: normal circulation DTH hammers and bits, reverse circulation hammers and bits, various kinds of normal and reverse circulation hammers and bits, eccentric drilling equipment, symmetric drilling equipment, casting system, various kinds of threaded bits, shank adapters and coupling sleeves, new-style wells geothermal drilling rig, open-air blasthole drilling rig, all kinds of tool joints and drill pipe and spare parts for drill rig. Our products are widely used in earth-rock work, mining, well drilling, building engineer, geothermal drilling, civil project etc.

      With innovative spirit and development goal to provide solution for rock drilling technique, we always guide ourselves with service concept “focus on users” requirements and meet customers' need with prime quality, advanced technology and full service. Sincerely hope we could achieve win-win to all customers and create a better future.