A man arranges vegetables at Wanbang wholesale market of agricultural products in Zhongmu County of Zhengzhou, central China's Henan Province, Feb. 4, 2020. Various measures are taken across Henan to ensure the sufficient supply of agricultural products. (Xinhua/Zhu Xiang)

A man arranges aquatic products at Wanbang wholesale market of agricultural products in Zhongmu County of Zhengzhou, central China's Henan Province, Feb. 4, 2020. Various measures are taken across Henan to ensure the sufficient supply of agricultural products. (Xinhua/Zhu Xiang)

A man arranges boxes of fruits at Wanbang wholesale market of agricultural products in Zhongmu County of Zhengzhou, central China's Henan Province, Feb. 4, 2020. Various measures are taken across Henan to ensure the sufficient supply of agricultural products. (Xinhua/Zhu Xiang)

A man arranges boxes of fruits at Wanbang wholesale market of agricultural products in Zhongmu County of Zhengzhou, central China's Henan Province, Feb. 4, 2020. Various measures are taken across Henan to ensure the sufficient supply of agricultural products. (Xinhua/Zhu Xiang)

Workers unload vegetables at Wanbang wholesale market of agricultural products in Zhongmu County of Zhengzhou, central China's Henan Province, Feb. 4, 2020. Various measures are taken across Henan to ensure the sufficient supply of agricultural products. (Xinhua/Zhu Xiang)

Workers arrange vegetables at Wanbang wholesale market of agricultural products in Zhongmu County of Zhengzhou, central China's Henan Province, Feb. 4, 2020. Various measures are taken across Henan to ensure the sufficient supply of agricultural products. (Xinhua/Zhu Xiang)

A woman arranges boxes of fruits at Wanbang wholesale market of agricultural products in Zhongmu County of Zhengzhou, central China's Henan Province, Feb. 4, 2020. Various measures are taken across Henan to ensure the sufficient supply of agricultural products. (Xinhua/Zhu Xiang)