辐射2

package?too?high,the?pressure?too?big,which?caused?the?Pin?deformed.

the?key?improved?points:

1.must?add?reinforced?bar?at?the?around?of?card-board.

2.must?add?shield?angle-paper?at?around?of?card-board?to?reinforce

3.the?label?that?press?is?forbidden(No?Pressing)?and?frangible?must?marked?specially?on?the?card-board.

4.every?card-board?only?wraps?6?plys

5.must?add?one?ply?cardboard?at?inner?and?outer?ply?of?carton,which?insure?Pin?can?not?adhere?the?net?material.