gōng / chǎng / gǎi / yòng / xīn / cái / liào / yǐ / jiǎn / shǎo / chǎn / pǐn / zhōng / de / sù / huà / jì

工厂改用新材料，以减少产品中的塑化剂。

The factory switched to new materials to reduce plasticizer in its products.