Answering the state's call for greener solutions, DONGHONG introduces our eco-friendly, corrosion-resistant, and energy-saving HDPE engineering pipeline. Committed to never using reclaimed materials, our pipes boast an impressive lifespan of up to 50 years. This longevity significantly minimizes environmental pollution and reduces the frequency of repetitive production, aligning with our dedication to sustainable development.
- Exceptional Hydrostatic Strength
- Outstanding Oxidation Resistance
- State-of-the-Art Integrated Equipment
- Rigorous Process Control
- Precise Meter Weight Control System
- In-House CNAS Accredited Laboratory
- Robust and Secure Connections
| 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 believe that 'exceptional materials create superior pipes, and flawless connections build robust systems.' We have innovatively developed a range of connection methods tailored to diverse project requirements.
Donghong is a leader in the production of plastic and steel pipe fittings, manufacturing a wide array of engineering support fittings. We also offer customization to meet specific customer needs and construction conditions, embodying our principle that 'optimal connections create exceptional systems.'
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 boasts over 70 sets of advanced injection molding equipment and more than 700 injection molds. We utilize ultra-large injection molding machines with a single injection volume of up to 230,000 grams, ensuring one-time molding of ultra-large fittings. This not only bridges gaps within the domestic industry but also significantly enhances product quality and reliability.
| 1. Elctric fusion connection. |
2. Butt fusion Connection. |
3. Flange Buckle Connection |
Heat Fusion Butt Weld Connection
Electric fusion connection.
The Classic Case
Badanjilin Desert Drinking Water Project: Faced with the challenging and varied geomorphology of the Badanjilin Desert, our engineering pipeline had to navigate numerous ups and downs. Shandong Donghong Pipe Industry Co., Ltd. not only participated in the project design but also devised innovative solutions to handle varying pipeline pressures and connection modes, leading the installation and acceptance phases. Our involvement resulted in a 30% cost reduction. From the water source to the final supply point, we ensured that the 'healthiest water (strontium-rich)' quality remained intact, providing safe, eco-friendly, and healthy drinking water to 300,000 desert residents.
Pipes for Yangzhou Shipyard Ships
Reinforced Polyethylene Pipes in Shipbuilding: Our PE pipes, known for their light weight, high strength, and corrosion resistance, are increasingly being used in the shipbuilding industry. These pipes offer non-toxic hygiene, easy and quick installation, and excellent sealing performance, ensuring no leaks. Ideal for various ship systems, including drinking water, ballast water, air permeability, and domestic wastewater systems (both black and gray water), our pipes meet the stringent requirements of modern shipbuilding.
Urban and Rural Water Supply Integration Project
Urban and Rural Water Supply Integration Project: With an investment of hundreds of millions of dollars, this project significantly impacts the drinking water safety of hundreds of thousands of people. It provides comprehensive solutions for water supply within villages and towns, establishes a robust management and maintenance mechanism, and significantly raises rural drinking water quality standards. Achieving a 100% water penetration rate, this project underscores the government's confidence in Donghong Pipeline's 20+ years of experience and thousands of successful cases. Our mission remains 'adhering to quality and social security responsibility.'
High-Standard Farmland Project: Supporting the construction of high-standard farmland, Donghong provides a stable irrigation pipeline system tailored to local conditions. Our solutions boost new agricultural productivity, ensuring that fertile land yields more and better-quality crops.
Experience top-quality pipe products with Shandong Donghong Pipe Industry Co., Ltd. Our offerings boast high hydrostatic strength, excellent oxidation resistance, and advanced integrated equipment. With strict process controls, a precision meter weight control system, and our own CNAS laboratory, we guarantee reliability and durability. Trust our pipes for sturdy, safe connections, ensuring peace of mind for all your projects.
Shandong Donghong Pipe Industry Co., Ltd., founded in 1997, is a pioneering high-tech enterprise dedicated to the research, development, production, sales, and service of advanced pipe solutions. The company has cultivated a robust industrial ecosystem that includes design institutes, financial institutions, port logistics, construction units, and collaborative upstream and downstream enterprises. With a mission to revolutionize human life through intelligent pipelines and ensure the continuous safety of pipeline transportation, Donghong Pipe Industry has established itself as a global leader in comprehensive pipeline system solutions. On November 6, 2017, Donghong shares were listed on the main board of Shanghai, marking a significant milestone as the first publicly traded enterprise in China's engineering composite pipeline industry.
Shandong Donghong Pipe Industry Co., Ltd (abbreviated as Donghong Pipe Industry, stock code: 603856), excels in four major categories of functional pipes and bespoke pipe services:
- Special pipelines designed for effective rainwater and sewage diversion
- Special pipelines tailored for municipal applications
- Special pipelines customized for industrial and mining environments
- Special pipelines engineered for national key infrastructure projects
- Specialized pipelines for gas and oil applications
- High-quality raw materials for coating solutions
- Comprehensive pipe fittings for a wide range of pipe systems
Shandong Donghong Pipe Industry Co., Ltd. is proud to host over 200 R&D specialists and boasts an impressive array of more than 100 patents. Leveraging national technology research platforms such as the National Enterprise Technology Center and CNAS Laboratory, Donghong leads the charge in the digitalization, informatization, and intelligentization of pipeline engineering. This pioneering role is critical in advancing the engineering pipeline sector, particularly in strategic national initiatives like the South-to-North Water Diversion and urban water supply integration. Committed to relentless innovation and top-tier quality, Donghong remains dedicated to serving essential strategic and public infrastructure projects.
We proudly collaborate with a vast network of esteemed logistics partners, ensuring our delivery system is both robust and versatile. Our innovative transportation solutions seamlessly integrate steam, railroad, and port shipping logistics, offering our clients the most efficient and cost-effective transportation options available.
Leverage our extensive transportation expertise, honed over many years of rigorous service in all climates and terrains. From the sweltering heat to frigid cold, and from bustling cities to remote regions, our meticulously crafted transportation plans ensure your goods are delivered promptly and safely, regardless of the environmental challenges.
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