Cainiao GOGO is an APP under Alibaba Group that provides express delivery services. Cainiao GOGO is mainly suitable for parcel inquiries across the entire network, and supports automatic tracking of online shopping parcels such as Taobao, Tmall, JD.com, and Suning. Cainiao GOGO currently covers more than 140 express delivery companies, including SF Express, YTO Express, ZTO Express, STO Express, Huitong Express, Quanfeng Express, Suer Express, ZJS Express, Guotong Express, Jiaji Express, Yuntong Express, Registered Mail, Ordinary Mail, China Railway Logistics, Rufengda Express, EMS, Yunda Express, and Tiantian Express. It mainly provides logistics inquiries for domestic and foreign express delivery companies, express inquiries for major domestic B2C e-commerce platforms, and services for picking up and sending express delivery.