Hi, not discouraging anyone from answering here - particularly with an overview of major developments in firearms in China vs Europe - but while you're waiting, you might be interested in checking out a few related posts
In Tonio Andrade's Gunpowder Age, he claims that the Chinese never developed large cannons because their walls were superior to European fortifications, is this true? - a very recent post (i.e. still open for comment) featuring a dialog between /u/lordtiandao and /u/onetruepapist
How was gunpowder used in China and why didn't they invent guns instead of Europeans? - another recent one, featuring a dialog between /u/hborrgg and /u/onetruepapist
Gun Development - featuring /u/CptBuck and /u/deSoulis
How powerful was the gunpowder used in China during its invention? Could it do much damage or was it mainly a noise maker? - featuring /u/dandan_noodles
Why didn't gun technology develop in China as it did in Europe since gunpowder was invented there? - a longer discussion featuring /u/itsallrightwithme, /u/lordtiandao, and /u/Zinegata
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