哪

nǎ how; which

na (particle equivalent to 啊 after noun ending in -n)

něi which? (interrogative, followed by classifier or numeral-classifier)

有

yǒu to have; there is; there are; to exist; to be

1999 名

míng name; noun (part of speech); place (e.g. among winners); famous; classifier for people

客服

kè fú customer service

【 S6signi】dcz