Cainiao's Tmall Supermarket warehouse completes Double 11 fulfillment with 135 ZeeBot robots

Cainiao deployed 135 ZeeBot climbing robots at its Tmall Supermarket warehouse in Zengcheng, Guangzhou, completing fulfillment during Double 11's sustained 28-hour order peak with a wave outbound on-time rate of 99.99%. The robots operate on dense 9-meter-high, 20-tier shelving holding 42,000 bins; they attach to the shelves with dual grippers without needing dedicated tracks, climb vertically at 1.2 meters per second, and have accumulated over 140 kilometers of vertical travel, with a peak of 11 kilometers per hour. Cainiao says the warehouse's overall storage efficiency is about 3 times the original, labor efficiency has risen to about 2.5 times, and output per workstation equals 2 to 3 picking employees. In the warehouse that has completed phase-one renovation, the robot area and the traditional manual warehouse currently run in parallel; demand beyond regular capacity is absorbed through flexible manual allocation. Cainiao says fine-grained single-item picking remains at a very early training stage.

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