Technician Zhang Jianqiang (C) gives instructions to farmers in wrapping up grapes in Yifengdian Town of the Jimo District of Qingdao City, east China's Shandong Province, July 5, 2018. (Photos: Xinhua)

Technician Song Yongjun (R) gives instructions to farmers in planting vegetables in agricultural High-tech zone in the Jimo District of Qingdao City, east China's Shandong Province, July 5, 2018.

Technician Yuan Liqin (Front) gives instructions to farmers in selling products on an online platform in Yifengdian Town of the Jimo District of Qingdao City, east China's Shandong Province, July 5, 2018.

Technician Wu Dezhuan (1st R) gives instructions to farmers in raising pigs in an animal husbandry technological demonstration base in the Jimo District of Qingdao City, east China's Shandong Province, July 5, 2018.