CNCEC(SH:601117) Zhong Guo Hua Gong Bao·2025-10-29 02:00Core Insights - The Guangxi Hengyi project has reached a significant milestone with the successful feeding of materials into the caprolactam section, marking the transition to trial production [1] - The project is a key initiative in the Guangxi Zhuang Autonomous Region aimed at establishing a leading green chemical new materials industry [1][2] - The project team has demonstrated resilience and efficiency in completing critical tasks, including the installation of 33,600 tons of steel structures and the welding of over 2.47 million meters of pipelines [1][3] Project Overview - The Guangxi Hengyi project is part of the Guangxi-Brunei Economic Corridor, focusing on the integrated construction of refining and chemical fiber bases [2] - The project utilizes benzene as a raw material to produce high-value-added chemical new materials, specifically polyamide [2] Construction Challenges - The coal-to-hydrogen ammonia synthesis unit features a washing tower weighing 643 tons and standing 86.2 meters tall, presenting significant installation challenges [2] - The project team completed the installation of large equipment over four months, utilizing various heavy lifting machinery [2] Quality Control Measures - The project emphasizes quality management through a comprehensive system that includes regular inspections and a "weld joint ID" management system for traceability [4][5] - A quarterly quality incentive system is in place to recognize and reward outstanding teams and individuals, enhancing overall quality awareness among construction personnel [4] Innovation and Efficiency - The project has implemented an efficient construction model that includes real-time data updates and collaborative operations to address complex welding tasks [3] - Innovations in construction techniques, such as the development of low-temperature double-layer liquid ammonia storage tank welding processes, have improved construction efficiency and quality [7] Role of Party Leadership - The project benefits from strong party leadership, which has fostered a collaborative management model and empowered team members to tackle challenges effectively [7] - Party members are actively involved in identifying construction difficulties and taking responsibility for key tasks, contributing to the project's high-quality development [7]