我爸爸在钢铁工厂里工作。

Wǒ bàba zài gāngtiě gōngchǎng lǐ gōngzuò.

My father works in a steel factory. .

这里每年的钢铁生产总值超过两亿元。

Zhèlǐ měinián de gāngtiě shēngchǎn zǒngzhí chāoguò liǎng yì yuán.

The annual steel production value here exceeds 200 million yuan.

钢铁是一种坚固耐用的材料。

Gāngtiě shì yī zhǒng jiāngù nàiyòng de cáiliào.

Steel is a strong and durable material.