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Qingdao Hengyuan Technology Development Co., Ltd
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Gas distribution device
Water quality sampling box
COD constant temperature heater type
Smoke and dust sampling gun
Orifice flowmeter
soap-film flowmeter
Air semi volatile organic compound sampler
Tunnel sampling device
microbial sampler
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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