大连重工股价微跌0.46% 国产化大型机组通过验收

Group 1 - The stock price of Dalian Heavy Industry on August 11 closed at 6.48 yuan, down by 0.03 yuan, representing a decline of 0.46% from the previous trading day [1] - The trading volume for the day was 487,060 shares, with a total transaction value of 315 million yuan [1] - Dalian Heavy Industry specializes in heavy machinery manufacturing, focusing on the research, development, manufacturing, and sales of metallurgical machinery, lifting machinery, port machinery, and bulk material handling machinery [1] Group 2 - The company recently developed a polypropylene blending and extrusion granulation unit with an annual capacity of 450,000 tons, which has passed factory acceptance tests [1] - The equipment has a standard load single-machine capacity of 56.5 tons per hour and a maximum load of 67.5 tons per hour, achieving performance levels that meet international advanced standards [1]