Aijiren produces 2ml autosampler vial, headspace vial, sample storage vial, etc., in two colors, clear and amber. Amber has a light-shielding function, which can isolate ultraviolet rays and protect samples. Aijiren is made of high-quality borosilicate hydrochloric acid glass, the cap is made of polypropylene, and the septa is made of silicone and ptfe to ensure the sealing and quality of the vial.