Roto-molding machine, as the key equipment for producing domestic sewage treatment tanks, plays an important role in the field of environmental protection. Roto-molding machine adopts advanced rotational molding process, which gives it unique production advantages. Roto-molding machine shows excellent performance in the production of domestic sewage treatment tanks. First of all, it has high precision and stability. Through precise control and uniform rotation, it can ensure that the wall thickness of each tank is uniform, thus ensuring the structural strength and stability of the tank. This precision enables the produced tank to show excellent reliability when subjected to internal pressure and external environmental influences. Secondly, the roto-molding machine has strong adaptability and flexibility. It can easily produce domestic sewage treatment tanks of various shapes and sizes according to different design requirements and specifications. Whether it is a small household tank or a large community or industrial tank, the roto-molding machine can complete the production task with ease. Furthermore, the roto-molding machine has a high utilization rate of raw materials in the production process. Through special processing methods, the waste of materials is minimized, the production cost is reduced, and it is also in line with the concept of sustainable development. Moreover, the roto-molding machine is relatively easy to operate and easy to realize automated production.