gutter oil中文

TAIPEI -- In early September, Taiwanese investigators busted Kaohsiung-based Chang Guann for mixi...

Chang Guann has been buying what's known as “gutter oil” — recycled oil from restaurant waste and...

Gutter oil typically comes from a variety of food waste sources, including sewer drains, grease t...

Owners and staff members at three restaurants in eastern China have been jailed for using waste c...