The information needed by Dingli company to design and select the grain dryer system are as follows:

1. What is the initial moisture content (%) of the wet grain ?

2. What is the output moisture content (%) of the dried sawdust needed ?

3. What is the output capacity (ton per hour) of the grain dryer needed ?

4. For the heat source, what kind of fuel will you prefer to use such as coal, waste wood, diesel and natural gas etc ?

6. What is the industrial voltage and electricity frequency for the motor ?

7. Do you need other related machines such as conveyor and packing machine etc ?