Since 1987, Sontech has delivered noise-control engineering services and supplied sound-damping materials. A world leader in micro-perforated panel (MPP) technology, we specialise in multi-functional acoustical panel technology for trains.
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- Title: Railway Technology-Updates
- Channel Number: 21901174
- Language: English
- Registered On: July 4, 2013, 6:41 pm
- Number of Articles: 9997
- Latest Snapshot: November 7, 2017, 11:50 am
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- Publisher: http://www.railway-technology.com/
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