南岗区 Nangang District
黑龙江省 Heilongjiang Province
最好改为：
4F, Unit2, NO.535 Tielu Street, Nangang District
Harbin, Heilongjiang Province, P. R. of China
4th Floor,Unit 2, 535#,Tie Lu Street,
Harbin,Heilongjiang Province
下面可以接着写邮政编码，中国。
Nangang District, Harbin, Heilongjiang Province, Unit 2, Railway Street, 4th Floor, No. 535..额...是这样吗？