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, aijiren Tech, aijiren Technology, Varian, etc. * Vials with intergrated micro-insert are available in clear and amber glass.