To provide you the timely and appropriate services, customers need to provide following information:Date：2018-12-06 Hits：
1. Please recall the scene that how you operation initially step by step.
2.Send us a video or picture of the machine’s symptoms for diagnose, we prefer video, if it doen’t cause and second damage
3.Send us The pictures of the whole construction site conditions. Such as the wall , floor,and celling, etc.
4. Send us The pictures of mortar. Including before mixing and after mixing as well as the ratio.