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. (Photos: 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. 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.

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. 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.

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. 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.

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. 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.

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.

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 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. 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.

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. 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.

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. 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.

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. 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.

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. (Xinhua/Zhang Tao)

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. 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.