Workers arrange exhibits at the exhibition hall of a company producing explosion-preventive tools in Botou, north China's Hebei Province, Sept. 24, 2024. As one of the old industry bases in the central south of Hebei, Botou is dubbed "origin of casting industry" in the country, home to 322 casting companies, and boasting an annual output of 24.7 billion yuan (about 3.52 billion U.S. dollars) by clustered players there. Recent years have witnessed their manufacturing processes converted to green and environmental friendly ones. (Xinhua/Mu Yu)
A worker assembles a piece of mold at a mold company in Botou, north China's Hebei Province, Sept. 24, 2024. As one of the old industry bases in the central south of Hebei, Botou is dubbed "origin of casting industry" in the country, home to 322 casting companies, and boasting an annual output of 24.7 billion yuan (about 3.52 billion U.S. dollars) by clustered players there. Recent years have witnessed their manufacturing processes converted to green and environmental friendly ones. (Xinhua/Mu Yu)
Workers assemble products at a company producing explosion-preventive tools in Botou, north China's Hebei Province, Sept. 24, 2024. As one of the old industry bases in the central south of Hebei, Botou is dubbed "origin of casting industry" in the country, home to 322 casting companies, and boasting an annual output of 24.7 billion yuan (about 3.52 billion U.S. dollars) by clustered players there. Recent years have witnessed their manufacturing processes converted to green and environmental friendly ones. (Xinhua/Mu Yu)
Workers check product quality at a mold company in Botou, north China's Hebei Province, Sept. 24, 2024. As one of the old industry bases in the central south of Hebei, Botou is dubbed "origin of casting industry" in the country, home to 322 casting companies, and boasting an annual output of 24.7 billion yuan (about 3.52 billion U.S. dollars) by clustered players there. Recent years have witnessed their manufacturing processes converted to green and environmental friendly ones. (Xinhua/Mu Yu)
A worker is seen at a company producing explosion-preventive tools in Botou, north China's Hebei Province, Sept. 24, 2024. As one of the old industry bases in the central south of Hebei, Botou is dubbed "origin of casting industry" in the country, home to 322 casting companies, and boasting an annual output of 24.7 billion yuan (about 3.52 billion U.S. dollars) by clustered players there. Recent years have witnessed their manufacturing processes converted to green and environmental friendly ones. (Xinhua/Mu Yu)
A worker arranges exhibits at the exhibition hall of a company producing explosion-preventive tools in Botou, north China's Hebei Province, Sept. 24, 2024. As one of the old industry bases in the central south of Hebei, Botou is dubbed "origin of casting industry" in the country, home to 322 casting companies, and boasting an annual output of 24.7 billion yuan (about 3.52 billion U.S. dollars) by clustered players there. Recent years have witnessed their manufacturing processes converted to green and environmental friendly ones. (Xinhua/Mu Yu)
A worker scans a piece of automotive mold for quality check at a mold company in Botou, north China's Hebei Province, Sept. 24, 2024. As one of the old industry bases in the central south of Hebei, Botou is dubbed "origin of casting industry" in the country, home to 322 casting companies, and boasting an annual output of 24.7 billion yuan (about 3.52 billion U.S. dollars) by clustered players there. Recent years have witnessed their manufacturing processes converted to green and environmental friendly ones. (Xinhua/Mu Yu)
Workers operate at a workshop of a casting company in Botou, north China's Hebei Province, Sept. 24, 2024. As one of the old industry bases in the central south of Hebei, Botou is dubbed "origin of casting industry" in the country, home to 322 casting companies, and boasting an annual output of 24.7 billion yuan (about 3.52 billion U.S. dollars) by clustered players there. Recent years have witnessed their manufacturing processes converted to green and environmental friendly ones. (Xinhua/Mu Yu)
A worker checks product quality at a casting company in Botou, north China's Hebei Province, Sept. 24, 2024. As one of the old industry bases in the central south of Hebei, Botou is dubbed "origin of casting industry" in the country, home to 322 casting companies, and boasting an annual output of 24.7 billion yuan (about 3.52 billion U.S. dollars) by clustered players there. Recent years have witnessed their manufacturing processes converted to green and environmental friendly ones. (Xinhua/Mu Yu)
