For External Thread cryo vials, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our External Thread cryo vials has been well received by many customers and enjoyed a good reputation in many countries. JiangSu Huida Medical Instruments Co.,Ltd. External Thread cryo vials have characteristic design & practical performance & competitive price, for more information on the External Thread cryo vials, please feel free to contact us.