Production floor staff pack cooking oil in new smaller packages at the Jiangsu Goldland Group in Hai'an, Nantong, a city of East China's Jiangsu province on Jan 15. In a bid to offer better products for Spring Festival shopping, Hai'an's cooking oil industries have carried out structural reform of the supply side and modified their production line to produce premium cooking oil in smaller packages. [Photo/IC]

A lab worker inspects samples of cooking oil on Jan 15. [Photo/IC]