An employee of an express delivery company in Changchun, capital of Northeast China's Jilin Province, sorts out parcels on Tuesday. (Photos: VCG)

Delivery firms are preparing for the upcoming Double 11 shopping festival which will fall on Sunday.

Local delivery firms have strengthened efforts to increase delivery people and adjust some transportation routes in a bid to secure services during the peak season.

An employee of an express delivery company in Changchun, capital of Northeast China's Jilin Province, sorts out parcels on Tuesday.

Local delivery firms have strengthened efforts to increase delivery people and adjust some transportation routes in a bid to secure services during the peak season.