600 water well drilling rig amphibious

The domestic down the hole drilling rig was first produced in Xuanhua, Hebei Province in the 1950s. Through continuous national investment and its own development, the performance and technological content of the drilling rig have been greatly improved, and it has established a good reputation in the international market. After the 1980s, Fortune 500 companies from countries such as the United States and Sweden came to Xuanhua to invest in building factories or jointly produce. Its products and production technology are used as content in university textbooks for scientific research and teaching, therefore, it is also known as the "Xuanhua drilling rig" in China.