A staff member fills an unmanned transplanter with rice seedlings in a smart agriculture demonstration zone administered by Hongwei Farm Co Ltd of Beidahuang Group in Northeast China's Heilongjiang province, May 11, 2021. Equipped with a self-driving system based on the Beidou Navigation Satellite System (BDS), the smart transplanter can independently finish rice transplanting, avoid obstacles and turn around when needed. [Photo/Xinhua]
A staff member inspects an unmanned transplanter in a smart agriculture demonstration zone administered by Hongwei Farm Co Ltd of Beidahuang Group in Northeast China's Heilongjiang province, May 11, 2021. [Photo/Xinhua]
Aerial photo taken on May 11, 2021 shows a rice paddy in a smart agriculture demonstration zone administered by Hongwei Farm Co Ltd of Beidahuang Group in Northeast China's Heilongjiang province, May 11, 2021. [Photo/Xinhua]
A staff member sets working route for an unmanned transplanter on a vehicle-mounted terminal tablet in a smart agriculture demonstration zone administered by Hongwei Farm Co Ltd of Beidahuang Group in Northeast China's Heilongjiang province, May 11, 2021. [Photo/Xinhua]
A staff member inspects an unmanned transplanter in a smart agriculture demonstration zone administered by Hongwei Farm Co Ltd of Beidahuang Group in Northeast China's Heilongjiang province, May 11, 2021. [Photo/Xinhua]
A staff member fills an unmanned transplanter with rice seedlings in a smart agriculture demonstration zone administered by Hongwei Farm Co Ltd of Beidahuang Group in Northeast China's Heilongjiang province, May 11, 2021. [Photo/Xinhua]
A staff member fills an unmanned transplanter with rice seedlings in a smart agriculture demonstration zone administered by Hongwei Farm Co Ltd of Beidahuang Group in Northeast China's Heilongjiang province, May 11, 2021. [Photo/Xinhua]
Photo taken on May 11, 2021 shows a rice paddy in a smart agriculture demonstration zone administered by Hongwei Farm Co Ltd of Beidahuang Group in Northeast China's Heilongjiang province, May 11, 2021. [Photo/Xinhua]
Staff members supervise the operation of an unmanned transplanter in a smart agriculture center administered by Hongwei Farm Co Ltd of Beidahuang Group in Northeast China's Heilongjiang province, May 11, 2021. [Photo/Xinhua]
A staff member fills an unmanned transplanter with rice seedlings in a smart agriculture demonstration zone administered by Hongwei Farm Co Ltd of Beidahuang Group in Northeast China's Heilongjiang province, May 11, 2021. [Photo/Xinhua]
An unmanned transplanter works in a rice paddy in a smart agriculture demonstration zone administered by Hongwei Farm Co Ltd of Beidahuang Group in Northeast China's Heilongjiang province, May 11, 2021. [Photo/Xinhua]
A staff member sets working route for an unmanned transplanter on a vehicle-mounted terminal tablet in a smart agriculture demonstration zone administered by Hongwei Farm Co Ltd of Beidahuang Group in Northeast China's Heilongjiang province, May 11, 2021. [Photo/Xinhua]
A staff member sets working route for an unmanned transplanter on a vehicle-mounted terminal tablet in a smart agriculture demonstration zone administered by Hongwei Farm Co Ltd of Beidahuang Group in Northeast China's Heilongjiang province, May 11, 2021. [Photo/Xinhua]