Zhuhai Qi Wu Ba Traffic Facilities Co., bull barrels made of high strength, high elastic modified plastics made as a yellow bucket, stick high-strength grade reflective sheeting, day and night are clearly visible. More resilient cushion filled with water (sand) later. Filled with water to cushion the impact of the vehicle with a flexible, mobile and flexible manner after emptying the water. Product use bull barrels placed prone main road where cars and fixed facilities collision on the highway and city roads. Such as: corner, Viaduct Road and the import and export of the road, can play the role of isolation alert and collision avoidance. Vehicle accidents and collision cushion role, can effectively reduce the impact force and greatly reduced damage cars and people. [Product] and some reflective film role bull barrels surface mount, day and night are obviously visible, can play a role in anti-collision warning. Accidental collision of the vehicle can play the role of a buffer, so that the vehicle is to minimize the damage, which greatly reduce the loss of the accident.