HSK 5
Tāmen gǎijìn le shēngchǎn gōngyì.
They improved the production process.
HSK 6
Zhōngguó de chuántǒng gōngyìpǐn wénmíng shìjiè.
China's traditional crafts are famous worldwide.
HSK 7-9
Zhè jiàn cíqì de gōngyì fēicháng jīngzhàn.
The craftsmanship of this piece of porcelain is exquisite.
