We've just added four more codes for the 15mm Sung Chinese, a Medieval Chinese dynasty (which resisted the Khitans and Jurchen but fell to the Mongols after an epic struggle).
Fire lance cavalry (with explosive charge at the tip of the lance):
Polearm cavalry:
Fire lance infantry (as per the cavalry, sans horse):
Large war drums:
All are available now:
http://khurasanminiatures.tripod.com/sung-chinese.html