tea：

#QR Code#- 各国国家标准
? Japan
z Japanese Industrial Standard JIS X 0510
? People's Republic of China
z Chinese National Standard GB/T 18284-2000 快速响应矩阵码
? Republic of Korea
z Korean National Standard KSXISOIEC 18004
? Socialist Republic of Viet Nam
z Vietnamese National Standard TCVN 7322
? Republic of Singapore
z Singapore National Standard SS 543 (‘09)
? Kingdom of Thailand
z Thailand National Standard :(Under standardization process)