How long can vacuum-packed dumplings stay? If the package is good, it can be released in the south for about half a year. Well-known vacuum brown sold in the market generally does not add preservatives, because vacuum packaging can play a very good insurance effect, but if you find the package appears bloated or leaks, do not eat, you can go to the sales office Exchange. How vacuum-packed dumplings are cooked 1, first prepare the material, the best dumplings are also fresh, of course, the kind of quick-frozen in the supermarket is also OK, in the lunch box filled with boiling water. 2, then to open the purchased scorpion packaging open (if you are your own hands bag this step) 3. Put the dumplings with the outer packaging removed into a lunch box filled with boiling water. 4. After everything is done, put the lunch box in the microwave oven. 5. Turn off the microwave oven and turn it to high temperature. The time is set to 5-8 minutes. 6. After the microwave oven automatically jumps, take the lunch box out of the microwave oven. 7. Take the rice dumplings out of the lunch box, and then cut the lines on the outside of the rice dumplings and remove the leaves that are wrapped outside, and we can see the sweet rice dumplings. Very high sample collection and release volumes.Greatly improved the accuracy of the inspection . Patented polymer synthetics handle 4.The hidden danger of nasopharyngeal swab rupture is completely solved.iCleano swab is ideal for collecting large amount of samples and rapid elution of thespecimens. It instantly release the specimen into the transport medium, which is welladopted in the field of molecular genetics, forensics, clinical laboratories sectors etc. Sampling Swab,Sterile swab of disposable virus sampling tubes,Nasopharyngeal swab sample detection collection,Nasopharyngeal swab Jiangsu iiLO Biotechnology Co., Ltd. , https://www.iilogene.com