Certified 2ml vials insert conical with high quality Aijiren 2020-07-30 China HPLC Vial Manufacturers, Suppliers and Factory * Wide opening 9-425 vials can be used on all common autosamplers, perfectly compatible with Aijiren, Thermo Scientific, Waters, Varian, etc. * Vials with intergrated micro-insert are available in clear and amber glass.