2 sentences

1. 我已经有27年党龄了。

   wǒ yǐ​jīng yǒu27 nián dǎng​líng le.

   I've been a party member for 27 years.

   Source: OpenSubtitles

2. 他的爷爷是一位有着五十年党龄的中共党员。

   tā de yé​ye shì yī wèi yǒu zhe wǔ​shí nián dǎng​líng de Zhōng Gòng dǎng​yuán.

   His grandfather is a member of the Communist Party of China with fifty years of party standing.

   Source: Dong Chinese Dictionary