Core Insights - The construction materials testing industry is crucial for ensuring engineering safety, with 35% of construction accidents attributed to material issues [10][12]. - The market for construction materials testing in China is projected to grow significantly, with an expected report issuance of 62.21 million in 2025 and a market size of 42.614 billion yuan [10][12]. - The average price for construction materials testing is on a downward trend, decreasing from 745 yuan per report in 2019 to an estimated 685 yuan in 2025 [12]. Industry Definition and Main Content - Construction materials are defined as materials used in civil engineering, including cement, sand, stone, metals, asphalt, synthetic resins, and plastics [8]. - Testing is essential for quality control, ensuring materials meet design requirements, construction standards, and national regulations [8][10]. Current Development Status - The construction materials testing industry has evolved from simple physical and chemical tests to high-precision non-destructive testing technologies [10]. - The number of reports issued in the construction materials testing sector has increased from 25.51 million in 2016 to 58.74 million in 2024, with a market size growth from 18.241 billion yuan to 40.881 billion yuan during the same period [10][12]. Industry Chain - The upstream of the construction materials testing industry includes instruments, consumables, standard substances, data and software, and talent [14]. - The midstream consists of testing service providers, including third-party testing agencies, government laboratories, and internal company labs [14]. - The downstream serves construction companies, building material manufacturers, regulatory bodies, and ultimately property owners [14]. Competitive Landscape - The competitive landscape includes state-owned leaders, private third-party testing institutions, and international testing giants, each leveraging their strengths for differentiated positioning [17]. - Major players include the state-owned National Inspection Group, private firms like Huace Testing and Puni Testing, and international entities such as SGS and BV [17][19]. Development Trends - The industry is expected to focus on technological innovation, with an emphasis on developing intelligent and automated testing equipment to meet increasing testing demands [27]. - There is a need for a standardized database system to analyze material performance data, utilizing data analysis tools for intelligent predictions and anomaly detection [27][28]. - The construction materials testing sector is also moving towards sustainability, requiring materials that are efficient, lightweight, green, and multifunctional [29].

（北京市朝阳区管庄东里1号科研生产区南楼） 首次公开发行股票 招股说明书 （申报稿） 保荐人（主承销商） 安信证券股份有限公司 Essence Securities Co., Ltd. 1-1-1 （深圳市福田区金田路 4018 号安联大厦 35 层、28 层 A02 单元） 招股说明书（申报稿） 发行概况 | 发行股票类型 | 人民币普通股（A 股） | | | --- | --- | --- | | 发行股数 | 不超过 万股。其中公司股东中国建筑材料科学研究总院和 5,500 浙江省创业投资集团有限公司将其于本次发行前持有的公司股 | | | | 份以公开发行方式一并向投资者发售数额不超过 1,000 万股，且 | | | | 不超过自愿设定 12 个月及以上限售期的投资者获得配售股份的 | | | | 数量。老股发售所得不归发行人所有。 | | | 每股面值 | 人民币 1.00 元 每股发行价格 | 人民币【】元 | | 预计发行日期 | 【】年【】月【】日 拟上市的证券交易所 | 上海证券交易所 | | 发行后总股本 | 不超过 22,000 万股 | | | | 本次发行前股东所持股份的限售安排 ...