Gǔdài Zhōngguó yě yǒu lèisì hánghùi de shāngyè zǔzhī.
Ancient China also had commercial organizations similar to guilds.
Tips
usage
行会 refers both to Western-style trade guilds and to traditional Chinese merchant/artisan guilds. Note that 行 here is pronounced háng (trade/profession), not xíng (to walk).