Sir,
Do you have the zip code for Lohou in Shenzhen China. I know about 518000 but I have sent 3 letters to my girlfriend and only the 1st ever got to her. I left off the zip code the first time. The second I missed the building and floor number, but the third letter, I made sure everything was right. I used 518000 for the zip code. It never was received. She has varified the address as being correct.

Please Help
Thanks
Brian G.