The screw neck headspace sample bottle produced by Aijiren has an optional capacity of 10ml and 20ml, and the specifications are: 22.5 * 46mm, 22.5 * 75.5mm. The 20ml GC analysis headspace sample bottle series strictly control the glass density of the bottle mouth to improve the sealing performance and prevent breakage. The precise molding bottleneck improves the processing capacity of the autosampler.