GB 12052-89, entitled Korean character coded character set for information interchange (Chinese: 信息交换用朝鲜文字编码字符集), is a character set standard established by China for the Korean language in China.
It consists of a total of 5,979 characters, and has no relationship nor compatibility with South Korea's KS X 1001 and North Korea's KPS 9566.
Characters in GB 12052 are arranged in a 94×94 grid (as in ISO/IEC 2022), and the two-byte code point of each character is expressed in the qu-wei form, which specifies a row (qu 区) and the position of the character within the row (cell, wei 位).
The rows (numbered from 1 to 94) contain characters as follows:[1][2] The rows 10–15 and 73–94 are unassigned.
There are some errors in the standard:[3] Unlike KS X 1001 and KPS 9566, GB 12052 However, like KS X 1001, GB 12052 lacks the initial+vowel counterparts for some initial+vowel+final syllables: