Mr. Ma Liang has been engaged in the piling industry since 2005. He's an expert in technology solutions, who has serviced more than 100 rigs in and out of China. He is familiar with various brands of equipment in the market and most deep foundation applications.

Since 2012, he has been working as Chief Technical Officer at Ougan Group, mainly responsible for implementing overall drilling solutions to meet customers' demands and after-sales services— including training on installation/commissioning/ maintenance.

Familiar with the production and assembly processes of rotary drilling rigs and concrete pump trucks, proficient in hydraulic and electrical systems maintenance, and adept at handling various difficult problems.

Mr. Mao Cheng performs after-sales service, including equipment commissioning, operator training and machine maintenance at Ougan Group. He has been engaged in the construction machinery industry for 12+ years. Mr. Mao Cheng has served abroad independently many times.

He is a professional field service engineer for excavators and rotary drilling rigs etc. The rotary drilling rigs transformed and upgraded by him are all well-proven with durable and long-lasting performance.

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.

Mr. Fu Lei has been in the piling equipment industry for over 15 years, one of the pioneering engineers engaged in hydraulic system design for rotary drill rigs.

He leads the hydraulic system design at Ougan Group. He is proficient in the design/application/commissioning and maintenance of rotary drilling rigs, among which he is best at modifying equipment as per clients' requests.