Mr. Li Zhanling has been engaged in the construction machinery industry for 20+ years. He is proficient in every production process of the rotary drill rig and well-versed in every technical essential from equipment assembly to commissioning, from quality inspection to on-site service.

He serves as a QC engineer at Ougan Group, overseeing the entire production process of XCMG equipment customized by Ougan X-Borer. From start to finish, every X-Borer equipment must be inspected, tested and done commissioning by him to make sure zero-defect before delivery. He is the guarantee of the high quality of Ougan X-Borer equipment.