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Personne àcontacter Mr. Damon
Jinfeng, Heshun, Lishui,Nanhai, Foshan, Guangdong
Our home-made calibration gases have achieved theChina Metrology Certification CMC certificate accompanied by National Reference Material Approval No.*******7 and *******6, so that we are qualified to manufacturing from two components to thirty five components calibration gases, which are widely applied to industries regarding the scientific research, medical care, environmental protection and petrochemicals etc.