Zhangjiakou Xuanhua Jinke Drilling Machinery Co., Ltd (JK Drilling) is a large
enterprise specialized in development and manufacture of all kinds of DTH
Drilling Equipment. The major products include JK series DTH rock drilling rigs
and JKS series DTH well drilling rigs.
The DTH rock drilling rigs are widely used in blasthole drilling of mining,
hydropower, transportation and defense projects, as well as harbor and channel
construction; DTH well drilling rigs are specialized in drilling