Incense candle, pronounced xiāng zhú, is a Chinese word, which means incense and candles used for sacrifice.
Xiang explained:
[Incense] Incense and candles used for sacrifice.
Of delicate candles.
Incense and candles. Used to worship ancestors or gods and buddhas.
It is extended to sacrifice, or refers to a profession specializing in sacrifice. For example, "making candles" means offering sacrifices to the director.