China Chromatography Vials manufacturer, Glass Vials, Vial Insert: Shell Style Insert, Conical Insert, Conical Insert with Spring. Vial Rack: From 2ml to 60ml Vials is Compatible for our PP Rack. Glass Test Tube: Clear Glass Test Tube, 15.7× 100, 15ml. China 0.3ml 9-425 Screw Top Micro HPLC PP Vial . Zhejiang Aijiren Technologies Co.,Ltd is