International high-tech expo held in Sichuan's Mianyang

The Sixth China (Mianyang) Science & Technology City International High-Tech Expo opens in the city of Mianyang, southwest China's Sichuan province, on Sept. 6, 2018. With the theme "Military-civilian integration, scientific and technological innovation and opening-up and cooperation," the four-day event has drawn over 650 exhibitors from 37 countries and regions. [Photo by Zheng Chengqiong/China SCIO]

Visitors take photos of a J-31 fighter jet during the Sixth China (Mianyang) Science & Technology City International High-Tech Expo in the city of Mianyang, southwest China's Sichuan province, on Sept. 6, 2018. [Photo by Zheng Chengqiong/China SCIO]

A visitor poses in front of a Z-10 attack helicopter during the Sixth China (Mianyang) Science & Technology City International High-Tech Expo in the city of Mianyang, southwest China's Sichuan province, on Sept. 6, 2018. [Photo by Zheng Chengqiong/China SCIO]

People visit the national technological award project exhibition during the Sixth China (Mianyang) Science & Technology City International High-Tech Expo in the city of Mianyang, southwest China's Sichuan province, on Sept. 6, 2018. [Photo by Zheng Chengqiong/China SCIO]

A drone is displayed at the Sixth China (Mianyang) Science & Technology City International High-Tech Expo in the city of Mianyang, southwest China's Sichuan province, on Sept. 6, 2018. [Photo by Zheng Chengqiong/China SCIO]

People visit the exhibition area of Belt and Road sci-tech cooperation and exchanges during the Sixth China (Mianyang) Science & Technology City International High-Tech Expo in the city of Mianyang, southwest China's Sichuan province, on Sept. 6, 2018. [Photo by Zheng Chengqiong/China SCIO]

Visitors walk past the British Enterprise Pavilion during the Sixth China (Mianyang) Science & Technology City International High-Tech Expo in the city of Mianyang, southwest China's Sichuan province, on Sept. 6, 2018. [Photo by Zheng Chengqiong/China SCIO]

A visitor experiences a racing game at a VR/AR exhibition area during the Sixth China (Mianyang) Science & Technology City International High-Tech Expo in the city of Mianyang, southwest China's Sichuan province, on Sept. 6, 2018. [Photo by Zheng Chengqiong/China SCIO]

People visit the BeiDou Technology Application Pavilion during the Sixth China (Mianyang) Science & Technology City International High-Tech Expo in the city of Mianyang, southwest China's Sichuan province, on Sept. 6, 2018. [Photo by Zheng Chengqiong/China SCIO]

A Fangzhou autonomous survey boat is displayed at the Sixth China (Mianyang) Science & Technology City International High-Tech Expo in the city of Mianyang, southwest China's Sichuan province, on Sept. 6, 2018. [Photo by Zheng Chengqiong/China SCIO]

People visit the Military-Civilian Integration Pavilion during the Sixth China (Mianyang) Science & Technology City International High-Tech Expo in the city of Mianyang, southwest China's Sichuan province, on Sept. 6, 2018. [Photo by Zheng Chengqiong/China SCIO]