西南有色昆明勘测设计（院）股份有限公司 recently received a patent for their innovative engineering geological drilling bit, sparking a heated ...

最近，中衡设计的股价波动让不少投资者都坐立不安。4月1日，中衡设计的股价以8.35元开盘，盘中最高触及8.58元，最低下探至8.31元，最终收于8.46元，较前一交易日上涨1.93%。当日成交量为24945手，成交额约0.21亿元，换手率为0.90% ...