There are same quantity of right - and - left turn reel in every unit of package and indication at the seal of the every reel . every reel should be separated by soft foam . a pile reel has been enclosed in plastic bag with desiccating agent or vaccum packaging . then put in packing chest 每包装单元内，放入等数量的左右旋膜卷，并在膜卷封口处标明，每膜卷之间用软泡沫片隔开，成垛的膜卷封入带干燥剂的塑料袋内或真空方式包装，再装入包装箱。
