Sir its been like 4 weeks and all the time i check tracking status either it says customs security scan or Customs scan (domestic transit). Why is going through so many scans i mean don't you scan it just once to check the authenticity or validity. How much time till this scanning gimmick is over?

2016-03-20 22:34:07.0 Electronic Data Received
2016-03-24 13:37:49.0 Guangzhou Int'l Parcel Center received
2016-03-24 13:38:03.0 Guangzhou Int'l Parcel Center customs scan
2016-03-24 22:09:45.0 leaving Guangzhou Int'l Parcel Center ，next station 广商大宗
2016-03-26 00:20:19.0 Shanghai Transit Station export security scan
2016-03-26 05:08:13.0 Shanghai Transit Station export customs scan (domestic transit )
2016-03-31 05:38:19.0 Shanghai Transit Station export security scan
2016-03-31 05:46:48.0 Shanghai Transit Station export customs scan (domestic transit )
2016-04-05 18:28:25.0 Shanghai Transit Station export security scan
2016-04-05 20:01:14.0 Shanghai Transit Station export customs scan (domestic transit )
2016-04-14 18:25:17.0 Shanghai Transit Station export security scan
2016-04-15 01:46:15.0 Shanghai Transit Station export customs scan (domestic transit )