Our company has successfully won the bid for the procurement of non excavation UV cured fiberglass hoses for the second section of the drainage pipeline repair project (Phase I) in Qunli area, Harbin city, based on our leading technology in the field of underground non excavation engineering materials and experience in centralized supply and after-sales service for large-scale projects. We have completed multiple batches of material supply and the construction work is fully underway.
As a key area for urban development, the Qunli area of Harbin city is facing aging and damage problems in its underground drainage network system due to long-term use. In order to ensure the ability of urban waterlogging prevention and control and improve the living environment of residents, the Harbin Municipal Government has launched the Qunli Area Drainage Pipeline Repair Project (Phase I), using internationally advanced non excavation technology for pipeline renewal. 2、Technical highlight: UV curing technology leads industry innovation UV cured non excavation repair materials for hoses, as the core technology carrier for underground pipeline network renovation, are reshaping the industry landscape through material innovation and process upgrading. This material is based on a glass fiber reinforced composite structure, with an outer layer made of anti ultraviolet light permeable film and an inner layer made of high transparency inner film. The middle layer is infiltrated with a special resin system to form a functional composite hose with a thickness of 3-22mm. It can meet the repair needs of DN150-DN2400 full diameter pipelines, with a short-term elastic modulus of over 15000MPa and a bending strength of over 300MPa,After solidification, the lifespan of the pipeline can reach 50 years。 3、On site direct attack: Crafting exquisite projects with ingenuity Since the start of the project, our technical team has been stationed on site to provide full guidance and work closely with the five winning construction units to ensure accurate and efficient material installation. The construction site presents three major characteristics: Standardized operation: Strictly follow the ISO9001 quality management system, record the entire process from material inspection to solidification construction, and ensure the traceability of project quality. Intelligent monitoring: Using pipeline CCTV detection to monitor the curing effect of the inner lining in real time, ensuring that the repaired pipeline meets the design standards. 24/7 promotion: Based on the characteristics of on-site construction in Harbin, optimize the construction plan, overcome the impact of construction environment on material solidification, and ensure timely completion of project milestones. 4、Enterprise strength deeply cultivates the industry, creating a benchmark for underground engineering materials This winning bid is a high recognition of our company's technical strength and performance ability by the owner unit. As one of the first domestic enterprises to introduce UV curing technology, our company has completed drainage pipe network repair projects in nearly 200 cities across the country, and participated in the formulation of national standards and multiple industry standards. future，The company will continue to focus on the field of underground infrastructure construction, empower urban renewal with innovative technologies, and contribute to building a "safe and resilient city"。 5、Conclusion The smooth progress of winning the bid and supplying materials for the Harbin drainage pipeline repair project further consolidates our company's leading position in the field of non excavation material supply. We will take this project as an opportunity to continue adhering to the concept of "technological innovation and quality-oriented", providing efficient and environmentally friendly underground pipeline solutions for more cities, and safeguarding the smooth and safe operation of the city's "lifeline".
