The whole experience of purchasing the drill rig is perfect. The pre-sales customer service is meticulous, accurately recommends suitable specifications for my project needs, and explains the parameters clearly. The courier is delivered quickly, the packaging is tight and firm, and the accompanying installation guide is easy to understand. If there is a small question during the trial, the after-sales service will respond immediately. Patiently guide during the phone communication. The product is good and the service is excellent. Give a five-star praise!