(1)1965: Zhongyuan Electrical Measuring Instruments Factory was established to develop and manufacture aviation instrument components
(2)1975: Established the only producing-line of strain gage in the national defense industry
(3)1984: The first pressure transducer of high temperature(up to 350℃)ment (for Plastic Extruder) in China
(4)1986: Strain gage technology tranfer from USA
(5)1990: The first stran gage with creep compensation in China
(6)1994: Developed the muti-function,fully encapsulated strain gage,became the industry leader
(7)1995: Member of the Council of China Weighing Instruments Association
(8)1996: ISO9001 Quality System Certificate
(9)1997: First digital dynamic and static torque wrench and tester in China
(10)1998: Mass production of multi-shear beam load cells
(11)1999: Vice-Chairman of the Council of China Weighing Instruments Association.
(12)2000: OIML R60 cerification and Explosion Proof Certificate.
(13)2001: Internation strategic cooperation in transducer area realized, first rate technology and quality in the world attained.
(14)2002: Established joint stock company,and became Zhonghang Electronic Measuring Instruments Co., LTD
(15)2004: Appraised as High-Tech Enterprises by Shaanxi Province
(16)2005: Three items of products gained OIML Certificates approved by PTB of German;Three series & 29 models passed the metrology type approval of Russia;RoHS directives have been implemented completely during the production of load cells and strain gages;Establishment of oversea subsidiaries ZEMIC USA
(17)2006: Six items of products gained OIML Certificates approved by PTB in German;Establishment of oversea subsidiaries ZEMIC Europe;With a total area of 63,000 square meters, the second manufacturing site, which located in the Hanzhong High-Tech Development Zone, came into usage in this June
(18)2007: Six items of products gained OMIL Certificates approved by PTB in German;Four items of products gained NTEP Certificates approved by NCWM in USA
(19)2008: 57 models of load cells gained FM Anti-explosion Certificates of US, and cFM Anti-explosion Certificates of Canada;58 models of load cells gained ATEX Anti-explosion Certificates of Europe.
(20)2010:ZEMIC gained final success on its IPO processing and listed on the GEM Board
(21)2011:ZEMIC purchased 45% of Yaohua Weighing on a total investment of 28.8 million RMB, and became the biggest shareholder of Yaohua Weighing
(22)2012:ZEMIC purchased 70% of the total shares of Shijiazhuang Huayan Traffic Technology Co.,Ltd.