Jinan, April 30, 2025] On April 30, Jinan Haoyang Casting & Forging Co., Ltd. welcomed a group of special visitors - 42 teachers and students from Zhangqiu Experimental Middle School and representatives of the surrounding community. As one of the “Environmental Protection Open Day” series of activities, this event popularized environmental protection practices in industrial production and conveyed the concept of sustainable development to the public through field visits and interactive experiments. Translated with DeepL.com (free version)