This list includes a deeper look into the exact uses of bronze metal in the Shang Dynasty. Specifically weaponry, but also touches of ritual and trading uses of it as well in places such as Anyang.
This article tells us specifically about how the Shang military used bronze weaponry. It will also tell us other ways bronze affected their society including spiritually and their ability to trade with others.
This is a link to an article about the city of Anyang. This is where the late Shang dynasty was and where they found evidence of bronze trading as well as other artifacts among the Chinese societies.
This is a secondary source that gives us a little more insight into how the military defended themselves. Not only did the use bronze weaponry, they also made their shields and helmets from bronze metal components as well.