Embracing the national vision for sustainability, **Shandong Donghong Pipe Industry Co., Ltd.** proudly presents the environmentally-friendly, corrosion-resistant, and highly energy-efficient High-Density Polyethylene Pipeline with superior Oxidation Resistance. Our unwavering commitment to excellence ensures the exclusive use of virgin materials. Each pipeline promises an incredible lifespan of up to 50 years, significantly reducing material consumption and alleviating environmental pollution from frequent manufacturing cycles.
- Unmatched Hydrostatic Strength
- Outstanding Oxidation Resistance Performance
- State-of-the-Art Integrated Equipment
- Stringent Process Control
- Precision Meter Weight Control System
- In-house CNAS Accredited Laboratory
- Dependable and Durable Connection
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, our unwavering philosophy is: 'Quality materials forge superior pipes, and impeccable connections create flawless systems.' This guiding principle propels us to develop a comprehensive range of cutting-edge connection methods, each meticulously crafted to meet the distinct requirements of various projects. Our commitment ensures that our pipeline systems are not only reliable but also exceptionally efficient.
Donghong Pipe Industry is a leader in the production of both plastic and steel pipe fittings. Our adaptable production facility excels in manufacturing engineering support fittings across an extensive array of specifications. Furthermore, we offer bespoke fittings tailored to meet the unique needs of our customers and specific construction conditions. We proudly uphold our motto: 'A superior connection results in an outstanding system.'
Consider the Following Examples:
1. The electric fusion connection facilitates rapid and secure pipe joints, delivering unparalleled reliability.
2. The heat fusion butt welding connection offers robust, seamless integration, significantly enhancing pipeline durability.
3. The flange buckle connection ensures strong and durable assembly, guaranteeing long-lasting performance.
4. The butt fusion connection provides reliable and consistent joint performance, making it ideal for a myriad of applications.
Donghong Pipe Industry is equipped with over 70 injection molding production units and an impressive arsenal of more than 700 injection molds. Our cutting-edge facility features an ultra-large injection molding machine capable of a single injection capacity of up to 230,000 grams. This advanced capability allows for the one-time molding of ultra-large fittings, bridging gaps within the domestic industry and assuring superior product quality.
1. Elctric fusion connection. |
2. Butt fusion Connection. |
3. Flange Buckle Connection |
Heat Fusion Butt Weld Connection
The electric fusion connection stands as a guarantee of a robust and enduring bond for diverse pipeline systems, making it an exceptionally reliable choice for secure connections.
The Classic Case
Badanjilin Desert Drinking Water Project: Facing the challenging landscapes of the Badanjilin Desert, Donghong Pipeline Industry ingeniously devised a cutting-edge solution to handle diverse pipeline pressures and their connections. Leading both the installation and acceptance phases, we achieved an extraordinary 30% cost reduction. From the initial water diversion to the final supply, we maintained the purity of the 'healthiest water (strontium-rich),' ensuring the delivery of safe, eco-friendly, and health-enhancing water to 300,000 desert residents.
Pipe for Yangzhou Shipyard Ship
Reinforced Polyethylene Pipe in Shipbuilding: The adoption of PE pipes within the shipbuilding sector is accelerating. Renowned for their lightweight construction, high strength, corrosion resistance, non-toxicity, and hygiene, our PE pipes facilitate easy installation and offer excellent sealing performance, guaranteeing zero leakage. These features make them the perfect choice for various ship piping systems, including those for drinking water, ballast water, air permeability, and domestic wastewater systems.
Urban and Rural Water Supply Integration Project
Urban and Rural Water Supply Integration Project: With investments reaching hundreds of millions, this flagship initiative is pivotal for securing safe drinking water for numerous individuals. Providing a holistic solution for the drinking water needs of villages and towns, it establishes an efficient management and maintenance framework. The project's triumph significantly elevated rural drinking water quality standards, achieving a 100% water penetration rate. The government selected Donghong Pipeline to lead the project, recognizing our robust capabilities, over two decades of expertise, and thousands of successful projects. Our steadfast dedication to 'Quality and Social Security Pipeline Responsibility' propels our mission, ensuring reliable water supply systems in all implementations.
High-Standard Farmland Project: Donghong delivers a robust irrigation pipeline system tailored to regional conditions, enhancing high-standard farmland construction. Our all-encompassing solutions improve modern agricultural practices, ensuring fertile land yields more and superior-quality grain. By customizing our approach to cater to local agricultural needs, we empower farmers with dependable and efficient irrigation systems, fostering sustainable growth and increased productivity.
Experience Top-Quality Pipe Products with Shandong Donghong Pipe Industry Co., Ltd.: Our products boast unmatched hydrostatic strength and exceptional oxidation resistance. Featuring state-of-the-art integrated equipment, precise meter weight control, and an in-house CNAS laboratory, we ensure product reliability and durability. Trust our pipes for secure, dependable connections in all your projects, providing complete peace of mind. From small-scale installations to large infrastructure endeavors, our pipes deliver excellence and reliability, guaranteeing your project's success.

Shandong Donghong Pipe Industry Co., Ltd. (referred to as Donghong Co., Ltd., stock code: 603856), headquartered in the historic city of Qufu, China-the birthplace of Confucius-stands as a premier engineering pipeline manufacturer and service provider. Specializing in four main categories of functional and customized pipelines, Donghong offers: specialized pipelines for rainwater and sewage diversion, municipal applications, industrial and mining areas, and national key engineering projects. The company has cultivated a robust industrial ecosystem, partnering with design institutes, financial institutions, port logistics, construction units, and both upstream and downstream enterprises. With an unwavering commitment to innovation, Donghong aims to revolutionize the global pipeline industry, striving to make intelligent pipelines an integral part of human life, ensuring the continuous safety and efficiency of pipeline transportation.
Shandong Donghong Pipe Industry Co., Ltd. With a formidable team of over 200 R&D experts and an impressive portfolio of more than 100 patents, Shandong Donghong Pipe Industry Co., Ltd. leads the industry in innovation. Utilizing top-tier national technology research platforms such as the National Enterprise Technology Center and CNAS Laboratory, Donghong excels in digitalization, informatization, and intelligentization of pipeline engineering. This pioneering expertise supports major national initiatives like the South-to-North Water Diversion and urban water supply integration. Donghong is committed to prioritizing innovation and quality, playing a pivotal role in advancing key strategic projects and improving public welfare on a grand scale.
1. Does your product meet international standards?
Our products are certified with CE, BV, ISO, and WARS, exceeding standard requirements. Feel free to let us know your national standard specifications, and we will verify or test them accordingly for you.
2. What services do you offer?
As a manufacturing factory, we provide a complete range of pipe products, fittings, packaging, and shipping services. Additionally, as a professional consultancy, we offer project advice, pipe system solutions, and design suggestions. As an engineering-focused enterprise, we also provide pipeline contracting services, pipe repair, and free maintenance guidance.
3. Do you support OEM/ODM services?
Yes, we offer customization in material, specifications, logos, packaging, connection methods, and more. Our professional team can provide tailored solutions for your specific projects, with numerous successful case studies.
4. What are your terms of payment?
We accept T/T or L/C at sight.
5. How do you guarantee the quality of your products?
We warmly welcome customers to visit our company and inspect our goods in person. We can perform rigorous testing as per your requirements before an order is placed. Additionally, we can dispatch samples before bulk production for you to conduct your own quality assessments.