I can attest on how efficient Philpost EMS is (so far).
It is cheap, safe and...cheap compared to Fedex and such.
To give you an idea here are the rates...Ctrl + to Zoom!
INTERNATIONAL POSTAGE RATES (PRINTED MATTERS/DOCUMENTS)
Here is the direct link to go for Rates: http://philpost.gov.ph/web/customer-guide/
You can also Track the package/mail through their website tracking that can also be found on the link above.
If the web tracking doesn't work, call Philpost EMS office at these numbers:
+632 854-3580 / 853-4789
Make your tracking number handy!