G aacute i xinh ch u1ea5t l u01b0 u1ee3ng chu u1ea9n iso 9001
Hay
c u0103n ph ograve ng tr u1ecd n u1eef sinh S agrave i G ograve n ph u1ea7n 1
V u1ec1 qu ecirc nh u1eadu xong r u1ee7 lu ocirc n em v u1ee3 ra sau v u01b0 u1eddn b uacute cu