Profile: Zhangjiakou Xuanhua Jinke Drilling Machinery Co., Ltd. specialized in development and manufacture of all kinds of hydraulic DTH drill rigs. Our products include JK series DTH rock drilling rigs and JKS series DTH well drilling rigs. We are an ISO 9001 and ISO 14001 certified company. JK730 automatic DTH Drilling Rig features its lower operation cost and humanized design. It adopts a powerful diesel engine and hydraulic oil pump station assembly to generate power, allowing rigs to rotation, feeding, lifting, walking and angle positioning.