Concept:
A loan license is related to drug manufacturing permission.
Step 1: Meaning of loan license.
A loan license allows a person or company to manufacture drugs by using the manufacturing facilities of another licensed manufacturer.
Step 2: Important point.
The licensee may not own the manufacturing facility but uses another approved facility.
Step 3: Why other options are wrong.
It does not mean manufacturing without factory in an illegal sense.
It is not related to imported drugs.
It is not related to bank loans.
Step 4: Final answer.
Thus, loan license means manufacturing using another licensee's facilities.
\[
\boxed{\text{Manufacturing using another licensee's facilities}}
\]