zhè / jiā / gōng / sī / zhǔ / yào / cóng / shì / hǎi / shuǐ / yǎng / zhí / hé / shuǐ / chǎn / pǐn / jiā / gōng

这家公司主要从事海水养殖和水产品加工。

This company mainly engages in marine aquaculture and aquatic product processing.