◉ 4 Axles U Box 100T Rear Dump Tipper Semi Trailer is more and more popular to transport coal, ore, building materials and other bulk and unpacked goods.Bottom and top plate of the dumper trailer would be designed according to international transport standards and different country needs. ◉ Normally we would use 8mm and 6mm thickness plat steel to match the heavy loads’ usage, with high resistance, enabling maximum efficiency in any road and weather conditions. The bucket body of 4 Axles U Box 100T Rear Dump Tipper Semi Trailer is made of durable steel, which can withstand the wear and impact of 450HB. ◉ The end cover of 4 Axles U Box 100T Rear Dump Tipper Semi Trailer is connected with an adjustable spring that can be opened and closed from the bottom. 4/5 axles Heavy duty tipper dump trailers are playing more and more roles in west Africa countries, such like Cote d 'Ivoire, Guinea, Ghana and ect.