The series of equipment for wheat, millet, sorghum, grass, sesame seeds and other crops broadcast. With reasonable structure, easy adjustment, the use of reliable, high operating efficiency, after sowing the formation of the surface and so on. The machine uses rubber tires, transmission part of the sprocket drive, reliable and durable. According to different areas of agronomic requirements, the local opener form can be divided into double disc or arrow type. And can achieve high-speed operation.