4月30日，国家邮政局发出通知，要求邮政企业、快递企业认真做好收寄验视工作，对用户交寄食品的，应当验视保质期，确保安全食品进入灾区。

On April 30,,National post office notice,Required postal enterprises/Express delivery enterprises seriously do a good job Posting examination,For sending users to food,Should be on shelf life,To ensure access to safe food.

　　通知要求，邮政企业、快递企业要认真做好收寄验视工作，认真落实有关禁限寄物品的检查措施，严格进行收寄过程中的验视检查。对用户交寄的信件，必要时，可以要求用户开拆，进行验视，但不得检查信件内容。对信件以外的其他邮件，必须全部当场验视检查，对粉末、液体以及不能直接辨识的机电装置等重点查验，确保将各类易燃、易爆、易腐以及非法出版物等禁寄物品堵截在寄递渠道之外。对用户交寄食品的，应当验视保质期，确保安全食品进入灾区。用户拒绝开拆、验视的，不予收寄。

Notification requirements,Postal enterprises/Courier companies to do a good job Posting examination carefully,Earnestly implement the relevant test items limited inspection measures,Strictly carries on the examination examination in the process of Posting.Mail handed in or posted by users,When it is necessary,May require that the user opens,For examination,But may not check mail content.The letters other than email,Must be full examination on the spot inspection,To the powder/Fluid and not directly to identify key inspection such as mechanical and electrical equipment,Ensure that the various kinds of flammable/explosive/Perishable and illegal publications and other contraband goods blocked outside the channels of delivering.For sending users to food,Should be on shelf life,To ensure access to safe food.User refused to open/Examination of the,Will not be collected.