How do mutual trade is beneficial for muslim countries??

Dr Asif Saeed in his presentation drew attention toward dismal trade statistics across Muslim countries. “The truth is that Muslim countries do not trade with each other or invest in each other’s economies as they do with the industrialised and developed countries. Even in post-9/11 era, the direction of trade flows and investment from Muslim countries have not been encouraging - some of the new flows have been away from the US, but most have been towards the GCC and MENA countries, East Asia and the EU,” he said.

Explanation:

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )