A pet dog is weighed at the Chengdu International Pet Expo in Chengdu, southwest China's Sichuan Province, July 19, 2020. The 9th Chengdu International Pet Expo closed on Sunday. (Xinhua/Wang Xi)

Customers select pet supplies at the Chengdu International Pet Expo in Chengdu, southwest China's Sichuan Province, July 19, 2020. The 9th Chengdu International Pet Expo closed on Sunday. (Xinhua/Wang Xi)

A pet dog is weighed at the Chengdu International Pet Expo in Chengdu, southwest China's Sichuan Province, July 19, 2020. The 9th Chengdu International Pet Expo closed on Sunday. (Xinhua/Wang Xi)

Visitors interact with pet dogs at the Chengdu International Pet Expo in Chengdu, southwest China's Sichuan Province, July 19, 2020. The 9th Chengdu International Pet Expo closed on Sunday. (Xinhua/Wang Xi)

A woman poses for a photo with pet dogs at the Chengdu International Pet Expo in Chengdu, southwest China's Sichuan Province, July 19, 2020. The 9th Chengdu International Pet Expo closed on Sunday. (Xinhua/Wang Xi)

A staff member demonstrates how to groom a pet dog at the Chengdu International Pet Expo in Chengdu, southwest China's Sichuan Province, July 19, 2020. The 9th Chengdu International Pet Expo closed on Sunday. (Xinhua/Wang Xi)