Nearly 500 years ago the celestial august and Yung-lo commanded the worthy official Kouan-Yu to make a bell that the sound there of might be heard for 100 Li,therefor he called the master moulders and renowned bellsmiths and all men in the great repute and cunning in foundry work to began the labor.there are more such event but this is only my help :D
Thank you for helping. :) But, i found the plot yesterday. :) \