1. The tracking number LM987412456CN, is not a valid tracking number. You can verify it here:
http://track-chinapost.com/startairmail.php

2. You should contact seller as soon as possible about maybe a mistake in the tracking number: 987412456 or maybe you made the mistake in writing the number.

Hope this help.

1. No the number is not valid, fake number, wrong number.

2. The site I provide is checking a formula for a valid tracking number so the formula apply to the 987412456 does not add up to make the tracking number valid.

Hope this help.

1. Well good luck my friend with your parcel. You are sure you did not make a mistake when you type the number in here.

Thanks.

1. If you ever want to have the formula just go here:
S10, Identification of postal items – 13-character identifier

Look under the PDF file:
S10, Identification of postal items – 13-character identifier

2. In you case if the number would have been LM987412452CN, that number would be valid.

Hope this help.

1. This tracking number: LM987412456CN, is not a valid tracking number.
Have you check on the site I gave you:
http://track-chinapost.com/startairmail.php

2. Use the validator for tracking numbers consisting of 13 characters acording to the S10 format, defined by Universal Postal Union.

Also this:
About tracking numbers

The tracking number consist of 13-characters including a service indicator followed by 9 digits where the last one is a verification digit, this is used to check if its fake or not. The final 2 characters are country code indicators showing the origin of the parcel. With the traking number the parcel can be located using a global trace & trace system, in many cases both natinally and internationally all the way to to the receiving post office.

3. If you want to believe the seller go ahead and believe him but in 15 days from now you will find out that you still can not track your parcel because the tracking number he gave you is not valid , wrong, false. He maybe made a mistake in the number inside the tracking number but About tracking numbers LM987412456CN is not good.

4. Just go to this site and track your number, it will show you this:

Format error for Universal Postal Union tracking number. Please check your tracking number.
EMS China Post: LM987412456CN

5. Now do what you want.

Hope this help.