美国NOMIS Seismographs, Inc. NOMIS地震仪（测震仪）公司 www.nomis.com
NOMIS地震仪（测震仪）公司成立于1982年，在建筑、矿业、采石和野外爆破等领域内被公认为最好的地震监控设备制造商。
NOMIS Seismographs has been recognized world wide as a leading manufacturer of seismic monitoring equipment for the construction, mining, quarrying and demolition fields since 1982.

NOMIS is also known and respected for its personalized service after the sale. NOMIS offers factory authorized parts, service and calibration for all of its units.