山东多位工匠人才被授予“全国劳动模范”荣誉称号

Group 1 - The article highlights the achievements of several "National Labor Model" awardees from Shandong, who are recognized for their innovative contributions in various industries such as construction and metallurgy [2][4] - Wang Chengzhou, a director at Shandong Juxiang Machinery Co., developed an automatic block stacking machine that can replace 12 workers, saving the company over 500,000 yuan annually [2][3] - The first domestically produced fully automatic brick unloading and packing machine was successfully developed by Wang's team after nearly two years of effort, and it has been well-received in the market, exporting to multiple countries [3] Group 2 - Lu Xinzhu, a production team leader at Yantai Hengbang Chemical Additives Co., has led over 20 research projects on flotation reagents, obtaining more than 10 patents [3][4] - Lu frequently visits remote mining sites to troubleshoot and improve the efficiency of newly developed reagents, achieving a 13% increase in recovery rates for copper in high-altitude areas [4] - The article emphasizes the importance of practical experience in the development of effective mining reagents, as demonstrated by Lu's extensive knowledge of over 800 parameters related to the production process [3][4] Group 3 - Shan Zhaoyong, deputy director of the quality inspection center at Shandong Gold Smelting Co., has focused on developing non-toxic cyanide treatment technologies to address environmental concerns associated with traditional gold extraction methods [5] - The new cyanide detoxification technology developed by Shan's team has achieved a 99% removal rate of cyanide, significantly contributing to the green development of the gold industry [5] - The innovative technology has been widely adopted within the group and recognized by multiple enterprises, generating substantial economic and environmental benefits [5]