On February 20, 2017, our Nigeria customer visited our factory, speciall inspected the HFDX - 4 hydraulic core drilling rig that he ordered , in the factory, our salesman carefully explained the main characteristics,application scope and daily maintenance skills of the drill for our customer .We won the praise and trust from our customer by our honest and good service“i’m looking forward to cooperation with our company next time.”said our customer,we also are looking forward to more customers visit our company to achieve mutually beneficial win-win on both sides.