Holding remote control the scope of 100m2 and still using radio waves , it is a target that the  Robocon sprayed is launched the second time, it is expected to launch around next August-September . "The second machine, I'll do the larger, by the replacement of water tanks up to 100 liters, the engine of the second is replaced by 4-stroke diesel engines" - Tran Thanh Tuan planned. First of all, Iron chains are replaced by leash rubbers (similar to chains of combine harvester machines) to ensure durability, no rust, no somersaults and strength to move on swampy land. This product will be officially registered trademarks and widely publicized for farmers near and far to know. Because the second Robocon  injection capacity increased 2 times and could spray the land corresponding to 20 per hour, 2-fold increase compared with 2 employees carrying aerosol spraying of  20 a dayon field of rice. Once registered trademarks formal, Tran Thanh Tuan going to consider "commercial" product and production needs of clients