从中国来的实验室产品，蛋白核酸怎么过美国海关？
都是低温产品，FDA REVIEW 的时间好像很长，如果卡住海关就全部坏掉了。一下是从
FDA网站上看到的，具体怎么减少被FDA 检查的机会怎么弄？有经验的朋友能指点一下
吗？谢谢！
The correct information will help expedite the entry review process and
increase the likelihood that your shipment may be processed based on import
system screening and not held for further FDA entry review. Please note that
the product code provided to CBP must include a two digit prefix
identifying the medical specialty
