So-Heng Chang 张守珩
Yi-Heng Chang 张意恒
Peng Heng Chang 副总经理张秉衡
Keng-Heng Chang 张耿衡
Chang Heng 张衡
Heng-Yuan Chang 张恒源
Heng-Chia Chang 张恒嘉
The earliest "seismoscope" was invented by the Chinese philosopher Chang Heng in A. D. 132.
而最早的“验震仪”是中国的学者张衡在公元132年发明的。
It was started from a mold-making plant and restructured to Heng Xing Chang Mold Manufacture Co.
前身为模具加工厂，于2002年成立恒兴昌模具制造有限公司。
And always, as the emperor for whom Chang Heng fashioned the device noted, the earthquakes came from the mountains in the west, where Dujiangyan lies.
通过观察哪条龙的珠子落下，张衡可以确定地震的方位。而地震常来自西部的山区，那是都江堰所在的地方。
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