本周重要变化提示：云南、贵州水泥超预期提价；1-2 月统计局数据发布；邢台金牛新建玻纤产线点火，达产仍需时间；工信部今年将制定钢铁、水泥等重点行业碳达峰行动方案和路线图（经济参考报）。继续重点推荐：①水泥上半年量价弹性兼备，“碳中和”“碳交易”直接相关，有望延长高盈利周期，相关标的【海螺水泥】【华新水泥】【天山股份】【万年青】【冀东水泥】；②【北新建材】，第二轮提价逐步落地，受益竣工景气与价格弹性，同时第二主业成长明确；③【伟星新材】受益装修景气与第二曲线加速；④【山东玻纤】，持续看好行业景气+公司低估值高业绩弹性；⑤全球经济复苏受益标的【中国巨石】【共创草坪】；⑥【科顺股份】受益防水提价与格局表现超预期，拟收购丰泽关注非房领域扩张。

水泥行业：需求稳步提升，价格大体稳定。本周全国水泥市场价格环比上涨0.7%。价格上涨地区主要是江苏盐城、淮安，贵州遵义、云南文山，幅度10-30元/吨，哈尔滨陆续执行去年底高价；价格回落区域主要有江西上饶、赣州，河南驻马店、平顶山，广西桂林，湖南常德等地，幅度20-30 元/吨。3 月中旬，国内部分地区仍然被雨水天气笼罩，下游需求整体继续保持稳步提升态势，企业出货率普遍恢复到6-8 成，部分区域可达9 成或正常水平；价格方面，核心市场水泥价格大体保持稳定，少数区域继续震荡调整。本周全国水泥库容比为56.38%，环比上周下降3.38%。

基础材料中，钢铁、水泥、玻璃、电解铝是常规品种，也是产碳主要的子行业。不同行业特征和排放性质不同，本文旨在将4 行业进行对比，探寻碳中和之下的行业迭变。

Critical infrastructure protection (CIP) is the requirement of protection of regional vital infrastructures such as datacenters, banking institute, government offices, transportation and other critical infrastructure. Every government has a responsibility to protect these essential critical infrastructure against terrorist activities, natural disasters, and cyber threats attack. Critical infrastructure protection software help organizations and government authorities to protect the infrastructure and assets by analyzing upcoming natural disasters and cyber-attacks. It is paramount that security in all critical infrastructure sectors is of the highest standard and that disaster preparedness, response and recovery are top priorities.

行业分散，龙头市占率低，21 个细分行业 “山头林立”。模式、管理、资质等导致行业割裂。国际巨头的发展历程就是一部外延拓展史。整合大势所趋，龙头优势明显。重点推荐：苏交科、华设集团、勘设股份等。风险提示 固定资产投资下滑，应收账款坏账，行业整合不及预期等。

Autoclaved aerated concrete (AAC), also known as aircrete, foam concrete, autoclaved cellular concrete, autoclaved light-weight concrete, or porous concrete, is a light-weight construction material, which weighs around 1/6th to 1/3rd of conventional concrete. The report on the global autoclaved aerated concrete (AAC) market presents a detailed analysis of the trends, future estimations, and thorough study of the market, depending on product type, application, end user, and region. The product type covered in the study include blocks and others. The report further provides information on end user, which include residential and non-residential. Moreover, it provides details about applications related to AAC, including walls, floors & roofs, and others.