Aijiren produces 11mm snap top closures to provide more sealing for Snap Top Vial. 11mm snap neck vial is a kind of Autosampler Vial, which is a popular product of Aijiren. Aijiren’s Autosampler Vial is a star product, and 11mm snap top closures are even more full. Attention, Aijiren promised to use better raw materials, better machinery and equipment to ensure unified production.