It is matched with wheeled tractor 36.5-73.5kw, and is towed. It is suitable for drilling wheat, millet, sorghum, etc. It can fertilize while drilling,( except BG-24A) It can perform drilling, fertilizing, covering, rolling, etc. during one operation. It can work alone, also can work in several. Its structure is rational. It is simple, safe, durable, and high efficiency.