Views: 21 Author: Site Editor Publish Time: 2025-12-19 Origin: Site
Recently, Canlon roof siphon rainwater drainage system, with its green and low-carbon attributes and superior performance, empowered a key project—the heavy chemical equipment production base construction project of Yongda Chemical Machinery (Rudong) Co., Ltd.

The first phase of the project is located in Yangkou Port Economic Development Zone, Rudong County, Nantong City, Jiangsu Province, with a total construction area of approximately 120,000 square meters. The core buildings include a combined factory building and a special materials factory building. The total investment of the project is approximately 1 billion yuan.
Canlon Roof Siphon Rainwater Drainage System was applied to the roofs of the combined plant and special materials plant in this project. The Canlon technical team participated throughout the process, carried out secondary design refinement of the drawings, supplied materials, and provided on-site construction and installation technical guidance. The system was ultimately implemented by Nanjing partner Jiangsu Donghe Shengxia Technology Co., Ltd.
System composition and on-site effects
The system consists of a siphon-type rainwater hopper, a high-density polyethylene (HDPE) piping system (pipes and fittings made from virgin materials), and a secondary suspension system (including square steel, connectors, clamps, threaded rods, and fixing clamps). The company offers a complete range of product specifications to meet the actual needs of projects of all sizes.

Siphon rainwater hopper installation effect

Large-area installation inside the gutter


Horizontal pipe/rise pipe Installation effect
Application scenarios of siphon rainwater drainage system
Public buildings : airports, convention centers, high-speed rail stations, subway depots, data centers, libraries, science and technology museums, stadiums, etc.
Commercial buildings : Wanda Plaza, South China City, Joy City, Red Star Macalline, Xincheng Wuyue Plaza, and other commercial complexes;
Industrial buildings : factories for various industrial sectors such as automobiles, electronics, new energy, steel, paper, food, chemicals, tires, glass, and shipyards; as well as warehousing bases for companies like SF Express, Prologis, and JD.com.
Canlon Roof Siphon Rainwater Drainage System Core Advantages
1. The siphon-type rainwater hopper has obtained the National Inspection Center's high-quality product certification;
2. The siphon rainwater hopper has passed the flow test of the National Inspection Center and has excellent drainage performance. The relevant data report has been obtained and it meets the requirements of CJ/T245-2021.
3. The pipeline is made of high-quality HDPE 100% new material, and has passed all national inspections and tests. The production process is monitored online and meets CJ/T250-2018 standards.
4. We adopt domestically leading hydraulic calculation software to ensure that each design scheme is matched to the actual situation of the specific project;
5. Our excellent marketing, R&D, and application technology teams provide one-stop services for your projects nationwide;
6. Select company-approved partners to safeguard your project, providing full-process technical consultation and construction and installation guidance.
In the future, this base will focus on the production of large-scale, heavy-duty chemical equipment, and will provide high-quality products and services to domestic and international customers through its unique offshore platform skid-mounted and process package skid-mounted services. Leveraging the maritime advantages of Jinniu Wharf, it will achieve significant economic and social benefits. Canlon will also actively communicate with all parties to ensure timely delivery of product materials and technical personnel, guarantee construction quality, promote green construction, and contribute to energy conservation and emission reduction in buildings.
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