Changsha Chaojingang Machinery Manufacturing Co., Ltd.
Changsha Chaojingang Machinery Manufacturing Co., Ltd. is one of
the best manufacturers in China's drilling tool industry. Our
company has many senior mechanical design engineers with more than
20 years of design experience in the drilling tool, the production
process and technology are at the first-class level in China. Our
drill tools adapt the top-quality raw materials, equipped with a
complete production chain, and with excellent performance during
service life. The design of our hammer and bit is simple and
reasonable, with the characteristics of high flat degrees, smooth
holes, high rigidity, fast punch speed, low failure rate, stable
drilling, high penetration rate. The drilling depth exceeded
customer expectations and was well received by customers.We are able to manufacture and supply wide range of quality
products as follows:
1. DTH hammer and bit, similar or equal DHD, QL, Mission, SD, COP
and Numa series ;
2. RC hammer and bit, similar or equal RE531, RE542, RE543, RE545,
RE547, PR40, PR52/PR52R, PR54/PR54R, RE004, AD670, MX5456 and so
on;
3. ODEX system;
4. Coupling sleeves, R25, R32, R38, T38, T45, T51;
5. Button bits, connection tapered or threaded, diameter from 33mm
to 165mm;
6. Drill pipes: 64mm, 70mm, 76mm, 89mm, 102mm, 127mm, 140mm, 152mm
and so on.
Our factory locates in LiuYang city, HuNan province, China, where
occupies an area of 26,600 square meters, and production facility
occupies 22,000 square meters.
Premium quality, professional serivce and competitive price, we get
very good reputation from our worldwide customers, not only from
the domestic, but also from Brazil, Peru, South Africa, Australia,
Turkey, Russia, Ukraine, Korea etc..
