
KOONSA Heavy Industry is a construction machinery manufacturerintegrating the R&D, manufacturing, sales and service of rock drill-ing machinery, piling machinery and excavator attachments. Theproducts are widely used in the fields of water conservancy, hydro. Power, highway, railroad, tunneling and open-pit mining. The company has been awarded the honorary titles of "NationalHigh-tech Enterprise", " Quality Management System CertificateIS09001", "China 3.15 Consumer Trustworthy Products", "AAAGrade ...