There is one type of Vial produced by Aijiren that has the best sealing performance, that is, 20mm Headspace Crimp Vial, but it coexists with the tight sealing characteristics of Crimp Neck Vial and there is also the problem of how to seal it. Aijiren provides a 20mm Hand Crimper and Decrimper to match the Crimp Vial. Aijiren’s handheld crimping machine provides a consistent and reliable seal, ensuring that the vial is securely sealed every time. The high-quality structure has been carefully designed, has durability and long life, and can provide smooth and simple operation. Manually adjustable stop, comfortable to hold the cushion, economical and durable.