Core Insights - The expo focuses on "developing the industrial internet and co-building 'good houses'" with seven major exhibition areas showcasing innovative products and technologies in smart construction [1][2] - The event features over 1,300 innovative exhibits from exhibitors across 13 countries and regions, aiming to address industry pain points and facilitate transaction cooperation [1] Group 1: Event Overview - The expo is guided by various organizations including the China Construction Industry Association and aims to promote digital and intelligent transformation in the construction industry [2] - It serves as a global platform for smart construction industry collaboration, injecting strong momentum into the sector's digitalization and intelligentization [2] Group 2: Featured Technology - The indoor mobile line-drawing robot 2.0 from China State Construction Decoration has gained attention for its lightweight design and advanced performance, achieving 2mm precision in automatic line drawing [2] - The robot is a complete solution comprising hardware, software, and services, addressing three major industry pain points: precise indoor positioning, adaptability to complex environments, and significantly reduced costs compared to imported equipment [2]