Hi Sam, The filters worked okay this year. The toddlers area was much better this year, having the hallway filters added.
Projects
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Nanjing International School
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Huntsman Shanghai
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Wellington Tianjin
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American School Guangzhou
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Apple R&D Beijing
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Eton House Suzhou
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Huntsman R&D
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Tianjin International School
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Apple Shanghai
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Shekou International School
Client’s testimony
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--- By Jason Lourie / Facilities and Housing Manager/ Tianjin International School -
The filter system works properly. In living room about 20, in bedroom below 10 (PM 2.5).
--- By Dr. Uwe Kirchgaessner, President of BASF-YPC Company Limited -
The filters you installed have worked well even during the 200+ AQI days here in Beijing last week. I have recommended that ISB promote your product / service to its interested staff.
--- By Mr. Matthew Yamatin, P.E., LEEP AP BD+C International School of Beijing
