Dec 28, 2020 · (Aijiren HPLC with MWD with Warranty ID 5737. Aijiren HPLC with MWD for Sale - YouTube. Aijiren High Pressure Liquid Chromatography System (HPLC). 100 × 2-ml vials in 1 tray 40 × 2-ml vials in ½ tray 15 × 6-ml vials in ½ tray Aijiren vials only).