Tracking for CP283695621CN, it says delivered at location 20006306

Destination Country - Usa:Tracking Consuming:921 Millisecond
2014-05-21 09:54, Delivered, CHINA
, Origin Post is Preparing Shipment
, Origin Post is Preparing Shipment
2014-05-13 12:40, Processed Through Sort Facility, SHANGHAI, CHINA
2014-05-12 17:54, Acceptance, CHINA
Origin Country - China:Tracking Consuming:671 Millisecond
2014-05-21 09:54, 20006306, 妥投, 美国, Final delivery, US
2014-05-14 23:08, PVG, 交航, 美国, US
2014-05-13 14:41, 上海国际, 出口总包直封封发, 美国, Departure from outward office of exchange, US
2014-05-13 09:38, 上海国际, 出口总包互封开拆, 美国, Opening, US
2014-05-12 17:54, 20033311, 收寄局收寄, 美国, Collection, US

I didn't receive the package. Is it still on it's way to US or it was send back to the sender?