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Qingdao Hengyuan Technology Development Co., Ltd
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Particle cutter
COD constant temperature heater type
Smoke and dust sampling gun
Smoke sampling gun and preprocessor
Comprehensive pressure and flow calibrator
Orifice flowmeter
Air semi volatile organic compound sampler
Handheld VOCs detector
Vacuum box airbag sampler
Tunnel sampling device
Medium flow sampler
High flow sampler
Air pollutant sampler
Integrated particulate matter/air pollutant sampler
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Building 5, No. 165 Tieqishan Road, Chengyang District, Qingdao City
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cnhy@cnhy.cn
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