9-425 Thread Type 2ml HPLC Vial with Closures – WELCH
Standard wide opening 9-425 vials is compatible with all common auotsamplers, manufacturers, factory, customized, low price, free sample, made in China, …
Welch Materials Inc. – Shanghai, China – chemeurope.com
Welch Materials develops and manufactures Chromatography consumables including HPLC columns, Solid Phase Extraction (SPE) columns, GC columns, sample vials,
Sample Vials and Accessories – Aijiren Technology Corpo...