[经] order for repairs to products for customers

wèi gù kè xiū lǐ chǎn pǐn dìng dān ㄨㄟˋ ㄍㄨˋ ㄎㄜˋ ㄒㄧㄡ ㄌㄧˇ ㄔㄢˇ ㄆㄧㄣˇ ㄉㄧㄥˋ ㄉㄢ