Core Viewpoint - The company reported a decline in gross margin in the first half of the year, primarily due to changes in the product sales structure, with a significant growth in low-margin rental products [1] Group 1: Financial Performance - The company's rental industry high-altitude operation vehicle products experienced rapid growth, but these products have a lower gross margin [1] - The subsidiary Shanghai Gelaman Fire Truck saw a significant increase in revenue year-on-year, but also contributed to a lower gross margin for the company [1] Group 2: Operational Efficiency - The company achieved good results in supply chain improvement, leading to continuous enhancements in production efficiency [1] - Cost reduction and efficiency enhancement efforts are expected to positively impact the company's net profit, with long-term benefits for high-quality development [1]