3 sentences

1. 这把折叠椅非常方便携带。

   zhè bǎ zhé​dié yǐ fēi​cháng fāng​biàn xié​dài.

   This folding chair is very convenient to carry.

   Source: Dong Chinese Dictionary

2. 新款智能折叠手机在本次科技博览会上首次亮相。

   xīn​kuǎn zhì​néng zhé​dié shǒu​jī zài běn​cì kē​jì bó​lǎn​huì shàng shǒu​cì liàng​xiàng.

   The new smart folding phone made its debut at this technology expo.

   Source: Dong Chinese Dictionary

3. 他熟练地把地图折叠好，放进了登山包最外层的口袋。

   tā shú​liàn de bǎ dì​tú zhé​dié hǎo, fàng​jìn le dēng​shān​bāo zuì wài​céng de kǒu​dài.

   He skillfully folded the map and put it into the outermost pocket of his hiking backpack.

   Source: Dong Chinese Dictionary