The rice planting area along the riverside of the Laozhou River is selected at the riverside and the river track irrigated by the water source in the upper reaches of the Songhua River. The soil here is composed of peat soil and black sand soil, which is extremely fertile and rich in organic matter and minerals. It is rich in water resources, clear and pure, and has been tested to meet the national green organic planting standards. The good farmland is located in the first accumulative temperature zone, with the annual effective accumulative temperature above 2700 degrees. The longer maturity period makes the dry matter accumulation of rice more abundant and the nutritional value higher. Selected high quality rice Longdao18 and rice flower ratio planting, through pure green selenium rich process, the output of rice, while ensuring the taste, nutrition is higher, pure rice flavor!