Linqing Bank does not exchange Hong Kong dollars because it does not meet the business scope and does not have the exchange conditions.

1. Not in line with business scope: Linqing Bank may only provide RMB and a few foreign currencies exchange services, but Hong Kong dollars are not within its business scope, so it will not exchange Hong Kong dollars.

2. No exchange conditions: Linqing Bank may not have sufficient Hong Kong dollar inventory, sufficient foreign exchange trading channels and compliant foreign exchange trading licenses to exchange Hong Kong dollars, so it will not exchange Hong Kong dollars.