Zhonghang Inst have created five first in history of industry calibration, can be said one of the first company which inter this trade.
中航机电研究所曾经创造了中国工业计量史上的五个第一，可以说是最先进入本行业的公司。
2
The construction of Nanjing to Anqing inter-city railway has a huge economic and social impact on Ma'anshan' transportation, real estate, tourism, industry and trade etc.