2 sentences

1. 这家工厂专门生产汽车零部件。

   zhè jiā gōng​chǎng zhuān​mén shēng​chǎn qì​chē líng​bù​jiàn.

   This factory specializes in producing auto parts.

   Source: Dong Chinese Dictionary

2. 这种材料可以用来制造更加轻便的飞机零部件。

   zhè zhǒng cái​liào kě​yǐ yòng​lái zhì​zào gèng​jiā qīng​biàn de fēi​jī líng​bù​jiàn.

   This material can be used to manufacture lighter aircraft components.

   Source: Dong Chinese Dictionary