What titles should be used for communication materials between units at the same level?

Experience exchange materials.

Welcome slogans for brother units to come to study and exchange:

1. Welcome a certain unit to come to study and exchange. 2. Warmly welcome your visit. 3. Learn from each other’s strengths, complement each other’s weaknesses, help each other make progress together, and collaborate with each other to pursue great causes.

Companies at the same level refer to similar business enterprises, which means that they have the same business scope, the same industry, and even the same products. Competitors to each other.