TRѬѪN
G THӂ
SѪN

Digitally
signed by
TRѬѪNG
THӂ SѪN
DN:
cn=TRѬѪN
G THӂ SѪN
c=VN l=A
Lѭӟi
o=CÔNG
TY CӘ
PHҪN
KHOÁNG
SҦN VINAS
A LѬӞI
ou=Ban
Giám ÿӕc
Reason: I
am the
author of
this
document
Location:
Date:
2014-10-20
18:05+07:00