Here are some suggestiones for your reference

 

1.Put harware items on the bottom and plastic items on top,

prevent the fagile items from being damaged.

 

 

2.Each product pack in bubble bag and seperate with cardboard, avoid them from scrathing each other

 

3.Fix all items neatly in the carton , any items should not move a lot.

Also use the space reasonably to save move space and freight