It's 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't get more update after August 9. It usually takes about 40-60 days to be delivered. If you couldn't get it in time, contact the sender to give you a solution.

Here is the tracking information available:

2019-08-09 08:01
Shenzhen, arriving at the Post Shenzhen International Mail Exchange Bureau

2019-08-09 03:52
Shenzhen, leaving the Shenzhen International Bulk Mail Processing Center, the next stop , Shenzhen International

2019-08-09 03:07
Shenzhen, "Shenzhen International Bulk Mail Processing Center" has received, agent: receiving and sending 2

2019-08-08 08:16
Logistics order created