Buy Aijiren gc headspace vials manufacturer laboratory vials supplier
cheap 20ml white crimp top vials price from China-Aijiren . About 6mL vials1).6ml crimp vials ,22*38mm . 2).suitable metrohm instruments . 1.20mm Headspace Crimp Vials ND20 China Headspace Aluminum Crimp Caps Manufacturers,Suppliers Headspace crimp vials,the value have 6ml,10ml,20ml clear and Aijiren to choose,the bottom have flat,rounded and rounded-flat,etc. Match with crimp cap for GC analysis.