These two packages are sent by using China Post Ordinary Small Packet Plus which is a cheap service of China Post. China Post doesn't provide tracking service for it after it moves for some stations in China. So, you can only get the following information. It usually takes about 40-60 days to be delivered. If you couldn't get it in time, contact the seller to give you a solution as soon as possible. Or, you will get nothing at last.

Tracking information available for US594180055CN:
2019-05-05 23:18 - Plan to sail, plan flight number LH8411-LH8276, scheduled departure time 06:20
2019-05-04 08:07 - Arrive at "Guangzhou Interchange Bureau"
2019-05-03 23:34 - Departure "Postal Guangzhou International Correspondence", Next stop "Guangzhou International"
2019-05-03 23:30 - Departure "Postal Guangzhou International Correspondence", Next stop "Guangzhou International"
2019-05-03 11:58 - "Postal Guangzhou International Correspondence" received, Range Agent: Hu Neo Lan _ Shi Jing
2019-04-30 10:48 - Logistics orders have been created (WISH Mail platform)
2019-04-30 10:42 -Logistics orders have been created

Tracking information available for US439044895CN:
2019-04-14 16:07 - Arrive at "Guangzhou Interchange Bureau"
2019-04-14 00:20 - Plan to sail, plan flight number LH8411-LH8276, scheduled departure time 06:20
2019-04-12 00:22 - Departure "Postal Guangzhou International Correspondence", Next stop "Guangzhou International"
2019-04-12 00:19 - Departure "Postal Guangzhou International Correspondence", Next stop "Guangzhou International"
2019-04-11 19:55 - "Postal Guangzhou International Correspondence" received, Range Agent: Luo _ Shi Jing
2019-04-09 09:46 - Logistics orders have been created