2 sentences for 质检 (zhì​jiǎn — quality inspection)

1. 质检部门对这批货物进行了抽检。

   zhì​jiǎn bù​mén duì zhè pī huò​wù jìn​xíng le chōu​jiǎn.

   The quality inspection department conducted a spot check on this batch of goods.

   Source: Dong Chinese Dictionary

2. 每一件出厂的产品都必须经过严格的质检。

   měi yī jiàn chū​chǎng de chǎn​pǐn dōu bì​xū jīng​guò yán​gé de zhì​jiǎn.

   Every product leaving the factory must undergo strict quality inspection.

   Source: Dong Chinese Dictionary