In alignment with the State's call for sustainable development, DONGHONG introduces its environmentally-friendly, corrosion-resistant, and energy-efficient engineering pipeline solutions. We proudly pledge never to use reclaimed materials, ensuring each pipeline's lifespan reaches an impressive 50 years. This durability significantly reduces consumption and environmental pollution associated with repetitive production cycles.
- Boasting outstanding hydrostatic strength, our HDPE pipes are designed to withstand high-pressure environments, providing unparalleled reliability and performance in demanding conditions.
- Exhibiting superior oxidation resistance, these HDPE pipes maintain their integrity even in harsh chemical environments, ensuring long-term durability and consistent performance.
- Equipped with cutting-edge integrated technology, our production line ensures the highest quality pipes, meeting the stringent demands of modern engineering projects.
- Our rigorous process control measures guarantee that every pipe produced adheres to the highest standards of quality and precision.
- Utilizing a precision meter weight control system, we achieve unmatched accuracy in pipe production, ensuring consistency and reliability in every unit.
- Our certified in-house CNAS laboratory rigorously tests each pipe, ensuring compliance with the highest national and international standards for safety and performance.
- Engineered for robust and secure connections, our HDPE pipes offer seamless integration within various systems, enhancing the overall integrity and efficiency of your projects.
| PE100 Nominal pressure and Specification (GB/T13663.2-2018) |
| Nomina diameter mm |
Nominal pipe thicness en,mm |
| Standard Size |
| SDR9 |
SDR11 |
SDR13.6 |
SDR17 |
SDR21 |
SDR26 |
SDR33 |
SDR41 |
| Pipe Series |
| S4 |
S5 |
S6.3 |
S8 |
S10 |
S12.5 |
S16 |
S20 |
| Nominal Pressure MPa |
| 2 |
1.6 |
1.25 |
1 |
0.8 |
0.6 |
0.5 |
0.4 |
| 20 |
2.3 |
2.3 |
|
|
|
|
|
|
| 25 |
3 |
2.3 |
2.3 |
| 32 |
3.6 |
3 |
2.4 |
| 40 |
4.5 |
3.7 |
3 |
| 50 |
5.6 |
4.6 |
3.7 |
3 |
| 63 |
7.1 |
5.8 |
4.7 |
3.8 |
3 |
| 75 |
8.4 |
6.8 |
5.6 |
4.5 |
3.6 |
| 90 |
10.1 |
8.2 |
6.7 |
5.4 |
4.3 |
3.5 |
| 110 |
12.3 |
10 |
8.1 |
6.6 |
5.3 |
4.2 |
| 125 |
14 |
11.4 |
9.2 |
7.4 |
6 |
4.8 |
| 140 |
15.7 |
12.7 |
10.3 |
8.3 |
6.7 |
5.4 |
| 160 |
17.9 |
14.6 |
11.8 |
9.5 |
7.7 |
6.2 |
| 180 |
20.1 |
16.4 |
13.3 |
10.7 |
8.6 |
6.9 |
| 200 |
22.4 |
18.2 |
14.7 |
11.9 |
9.6 |
7.7 |
| 225 |
25.2 |
20.5 |
16.6 |
13.4 |
10.8 |
8.6 |
| 250 |
27.9 |
22.7 |
18.4 |
14.8 |
11.9 |
9.6 |
| 280 |
31.3 |
25.4 |
20.6 |
16.6 |
13.4 |
10.7 |
| 315 |
35.2 |
28.6 |
23.2 |
18.7 |
15 |
12.1 |
9.7 |
7.7 |
| 355 |
39.7 |
32.2 |
26.1 |
21.1 |
16.9 |
13.6 |
10.9 |
8.7 |
| 400 |
44.7 |
36.3 |
29.4 |
23.7 |
19.1 |
15.3 |
12.3 |
9.8 |
| 450 |
50.3 |
40.9 |
33.1 |
26.7 |
21.5 |
17.2 |
13.8 |
11 |
| 500 |
55.8 |
45.4 |
36.8 |
29.7 |
23.9 |
19.1 |
15.3 |
12.3 |
| 560 |
|
50.8 |
41.2 |
33.2 |
26.7 |
21.4 |
17.2 |
13.7 |
| 630 |
57.2 |
46.3 |
37.4 |
30 |
24.1 |
19.3 |
15.4 |
| 710 |
64.5 |
52.2 |
42.1 |
33.9 |
27.2 |
21.8 |
17.4 |
| 800 |
72.6 |
58.8 |
47.4 |
38.1 |
30.6 |
24.5 |
19.6 |
| 900 |
81.7 |
66.2 |
53.3 |
42.9 |
34.4 |
27.6 |
22 |
| 1000 |
90.2 |
72.5 |
59.3 |
47.7 |
38.2 |
30.6 |
24.5 |
| 1200 |
|
88.2 |
67.9 |
57.2 |
45.9 |
36.7 |
29.4 |
At Donghong, we firmly believe that 'good materials make good pipes, good connections make good systems.' This guiding principle drives us to develop a diverse array of connection methods tailored to meet the unique requirements of various projects.
Specializing in both plastic and steel pipe fittings, Donghong offers an extensive range of engineering support fittings. Additionally, we provide customized solutions crafted to meet specific customer specifications and construction conditions, ensuring top-tier connections for superior system performance.
For example:
1. The electric fusion connection.
2. The heat fusion butt welding connection.
3. The flange buckle connection.
4. The butt fusion connection.
Donghong Pipe Industry prides itself on over 70 sets of advanced injection molding and connector processing equipment, complemented by more than 700 injection molds. Our state-of-the-art ultra-large injection molding machine, with a single injection volume of up to 230,000 grams, enables the one-time molding of ultra-large fittings. This not only bridges gaps in the domestic industry but also guarantees exceptional product quality.
| 1. Elctric fusion connection. |
2. Butt fusion Connection. |
3. Flange Buckle Connection |
Heat Fusion Butt Weld Connection
Electric fusion connection.
The Classic Case Study
Badanjilin Desert Drinking Water Project: In the face of the harsh and demanding environment characterized by complex geomorphology and undulating terrains, Shandong Donghong Pipe Industry Co., Ltd. demonstrated unparalleled expertise. Our team contributed significantly to the project design, addressing the diverse engineering pressures of different pipeline systems with bespoke connection solutions. Leading the installation and acceptance phases, Donghong achieved an impressive 30% cost saving. From water diversion to supply endpoints, we ensured the preservation of the healthiest, strontium-rich water quality, guaranteeing safe, eco-friendly, and healthful drinking water for 300,000 desert inhabitants.
Pipe Solutions for Yangzhou Shipyard Ship
Reinforced Polyethylene Pipe for Shipbuilding: Rapidly emerging as a cornerstone in modern ship construction, our polyethylene (PE) pipes offer extraordinary benefits such as lightweight, high strength, and remarkable corrosion resistance. Non-toxic and hygienic, these pipes facilitate easy and swift installation combined with superior sealing performance, eliminating any leakage risk. These features render them perfect for an array of ship piping systems, including drinking water, ballast water, air permeability, and both black and gray domestic wastewater systems.
Urban and Rural Water Supply Integration Project
This pioneering project, with an investment surpassing hundreds of millions of dollars, ensures the safety of drinking water for hundreds of thousands of people. It holistically addresses the water requirements of villages and towns, establishes a robust management and maintenance system, significantly enhances rural drinking water quality, and achieves a 100% water penetration rate. The government selected Donghong Pipeline due to our unmatched strength, over 20 years of experience, and thousands of successful case studies. Driven by our commitment to quality and social responsibility, we deliver exemplary pipeline solutions.
High-standard Farmland Project: At Shandong Donghong Pipe Industry Co., Ltd., we offer robust and reliable irrigation pipeline systems tailored to local conditions, significantly supporting modern agriculture. Our high-quality systems are designed to enhance land productivity, ensuring superior grain output and quality.
Discover the pinnacle of pipe quality with Shandong Donghong Pipe Industry Co., Ltd. Our pipes are meticulously engineered for high hydrostatic strength and exceptional oxidation resistance, outfitted with cutting-edge integrated equipment. Through rigorous process control and precision meter weight control systems, backed by our CNAS-certified laboratory, our products ensure unrivaled reliability and durability. Experience secure and resilient connections with our pipes, providing you with the utmost peace of mind for your projects.
Shandong Donghong Pipe Industry Co., Ltd., founded in 1997, is a pioneering high-tech enterprise specializing in the research, development, production, sales, and services of advanced pipe systems. With a robust industrial ecosystem encompassing design institutes, financial institutions, port logistics, construction units, and both upstream and downstream enterprises, Donghong Pipe Industry leads the forefront of pipeline innovation. Our mission is to revolutionize human life through intelligent pipelines and ensure the continuous safety of pipeline transportation. On November 6, 2017, Donghong proudly listed on the main board of Shanghai, marking a historic milestone as the first main-board listed enterprise in China's engineering composite pipeline sector.
Shandong Donghong Pipe Industry Co., Ltd. (abbreviation: Donghong Pipe Industry, stock code: 603856), excels in producing four major categories of functional and customized pipes:
- Specialized pipelines designed for efficient rainwater and sewage diversion
- Customized pipelines tailored for municipal infrastructure
- Specialized pipelines for industrial and mining applications
- Specialized pipelines dedicated to pivotal national engineering projects
- Special pipelines specifically designed for gas and oil transportation
- High-quality raw materials for coating materials
- Comprehensive pipe fittings to match all types of pipes
Shandong Donghong Pipe Industry Co., Ltd. boasts a team of over 200 dedicated R&D experts and holds an impressive portfolio of more than 100 patents. Utilizing national technology research platforms such as the National Enterprise Technology Center and CNAS Laboratory, Donghong leads the field in the digitalization, informatization, and intelligentization of pipeline engineering. This pioneering role is crucial in advancing the engineering pipeline industry, particularly in supporting major national projects like the South-to-North Water Diversion and urban water supply integration. With a steadfast commitment to innovation and quality, Donghong is devoted to serving key strategic and public welfare projects.
Our longstanding collaboration with elite logistics companies allows us to offer a highly efficient transportation framework, seamlessly integrating 'steam transportation + railroad transportation + port and shipping logistics.' This multi-modal approach ensures that customers receive the most effective and optimized transportation solutions available.
Leveraging years of transportation expertise, we guarantee that, regardless of extreme temperatures, remote locations, or challenging environments, our comprehensive transportation plans ensure every batch of goods reaches its destination promptly and reliably.
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