1 This is the tracking of your parcel:
Number: EA174908158CN
Package Status: In Transit

Destination Country: United States
2017-02-21 22:19 Origin Post is Preparing Shipment, We have received notice that the originating post is preparing to dispatch this mail piece.
2017-02-21 22:19 CHINA, GUANGZHOU EMS, Processed Through Facility
2017-02-20 21:44 Origin Post is Preparing Shipment
2017-02-20 21:44 CHINA, GUANGZHOU EMS, Processed Through Facility
2017-02-19 23:49 Origin Post is Preparing Shipment
2017-02-19 23:49 CHINA, GUANGZHOU EMS, Processed Through Facility
2017-02-18 21:10 CHINA, Acceptance

Origin Country: China
2017-02-21 04:09 Guangzhou, left Guangzhou to New York's JFK Airport (transfer)
2017-02-21 01:03 Guangzhou, left Guangzhou to New York's JFK Airport (transfer)
2017-02-19 23:38 Guangzhou, left Guangzhou to New York's JFK Airport (transfer)
2017-02-18 21:10 Guangdong postal courier logistics international business sales department huadiwan – vote has been received (the embrace cast member name: He Wenzheng, Tel:)
======================================
Powered by http://www.track-chinapost.com

2. If you don't see anymore tracking for the parcel then it means that it left China. If you see again some tracking i China then the parcel has a problem with the security.

3. If the parcel is OK then on the USPS site you should see some tracking eventually has arriving in USA.

Thanks.