Lus piav qhia luv luv:

1.it yog tsim rau packing instant nodies kev lag luam kua zaub hnab, desiccant, tshuaj yej hwj chim, me me granular khoom.

2.Lub tshuab tuaj yeem ua tiav lub hnab ua, ntsuas, txhaws, sealing, txiav thiab suav kev ua haujlwm.

3.Packing khoom: lim ntawv, composite membrane, non-woven fabrics.