Aligning perfectly with the national sustainability mission, **Shandong Donghong Pipe Industry Co., Ltd.** proudly introduces its eco-friendly, corrosion-resistant, and energy-efficient PE Material Pipeline with exceptional Oxidation Resistance. Our steadfast dedication guarantees that no reclaimed materials are ever utilized. Each pipeline is engineered to last an extraordinary 50 years, thereby dramatically lowering material consumption and mitigating environmental pollution resulting from frequent manufacturing.
- Superior Hydrostatic Strength
- Exceptional Oxidation Resistance Performance
- Cutting-Edge Integrated Equipment
- Rigorous Process Control
- High-Precision Meter Weight Control System
- In-House CNAS Accredited Laboratory
- Durable and Secure 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, we firmly believe that 'good materials make good pipes, good connections make good systems.' This guiding principle drives us to develop a diverse range of connection methods tailored to meet the unique needs of various projects, ensuring reliable and efficient pipeline systems.
Specializing in both plastic and steel pipe fittings, Donghong boasts a versatile production facility capable of manufacturing engineering support fittings in a wide array of specifications. We also offer customized fittings based on customer requirements and specific construction conditions, embodying our philosophy that 'a good connection achieves a good system'.
For example:
1. The electric fusion connection ensures fast and secure pipe joints, making it ideal for a quick and dependable assembly.
2. The heat fusion butt welding connection offers robust and seamless pipeline integration, guaranteeing long-term reliability.
3. The flange buckle connection provides a strong and durable pipe assembly, perfect for high-pressure applications.
4. The butt fusion connection delivers reliable and consistent joint performance, ensuring a sturdy and durable pipeline system.
Donghong Pipe Industry is equipped with over 70 injection molding production units and more than 700 injection molds. Our facility includes an ultra-large injection molding machine with a single injection capacity of up to 230,000 grams, enabling one-time molding of ultra-large fittings. This not only fills gaps within the domestic industry but also ensures superior product quality, meeting the highest standards of excellence.
1. Elctric fusion connection. |
2. Butt fusion Connection. |
3. Flange Buckle Connection |
Heat Fusion Butt Weld Connection
The electric fusion connection provides a robust and long-lasting bond for various pipeline systems, ensuring superior performance and durability.
The Classic Case
Badanjilin Desert Drinking Water Project: In this ambitious initiative, Donghong Pipeline Industry showcased its unparalleled engineering expertise. Faced with the complex geomorphology of the Badanjilin Desert, we addressed the pressing challenges related to varying pipeline pressures and their corresponding connections. Leading the pipeline installation and ensuring rigorous acceptance standards, our efforts culminated in a remarkable 30% cost savings. From water diversion to end supply, Donghong ensured the 'healthiest water (strontium-rich)' maintained its quality, delivering safe, eco-friendly, and healthy water to 300,000 desert residents.
Pipe for Yangzhou Shipyard Ship
Reinforced Polyethylene Pipe: Embraced by the shipbuilding industry, our PE pipes stand out for their lightweight, high strength, and exceptional corrosion resistance. Non-toxic, hygienic, and easy to install, they offer superb sealing performance, ensuring zero leakage. These attributes make our pipes ideal for various shipbuilding piping systems, including drinking water, ballast water, air permeability, and domestic wastewater (both black and gray water) systems.
Urban and Rural Water Supply Integration Project
A Landmark Initiative: With investments reaching into the hundreds of millions of dollars, this project is vital for ensuring the drinking water safety of hundreds of thousands of residents. It offers a comprehensive solution for the water needs of villages and towns, establishing efficient management and maintenance mechanisms. The project's success has significantly elevated rural drinking water quality standards, achieving 100% water penetration. Recognizing our formidable strength, over 20 years of experience, and thousands of successful cases, the government entrusted Donghong Pipeline to lead this project. Our unwavering mission, 'Adhering to quality and the responsibility of social security pipeline,' propels us forward.
High-Standard Farmland Project: Donghong excels in delivering a robust irrigation pipeline system tailored to local conditions, aiding in the construction of high-standard farmlands. Our innovative solutions support modern agricultural practices, ensuring fertile land yields higher-quality and more abundant crops.
Experience Superior Pipe Products: At Shandong Donghong Pipe Industry Co., Ltd., our products are synonymous with outstanding hydrostatic strength and exceptional oxidation resistance. Utilizing state-of-the-art integrated equipment and precise meter weight control, backed by our self-owned CNAS laboratory, we guarantee product reliability and longevity. Trust our pipes for secure, dependable connections in your projects, providing you with unparalleled peace of mind.

Shandong Donghong Pipe Industry Co., Ltd., established in 1997, is a trailblazing high-tech enterprise specializing in the research, development, production, sales, and service of premier piping solutions. Over the decades, we have cultivated a comprehensive industrial ecosystem encompassing design institutes, financial institutions, port logistics, construction units, and both upstream and downstream enterprises. Our mission is to revolutionize human life through intelligent pipelines and uphold the utmost safety in pipeline transportation. Pioneering the engineering composite pipeline industry in China, Donghong Pipe Industry proudly listed on the main board of Shanghai on November 6, 2017.
Shandong Donghong Pipe Industry Co., Ltd. (Donghong Pipe Industry, stock code: 603856) excels in four key categories of functional and customized pipes:
- Expertly designed pipelines for rainwater and sewage diversion
- Precisely engineered pipelines for municipal applications
- Customized pipelines for industrial and mining sectors
- High-performance pipelines crafted for national key engineering projects
- Specialized pipelines for gas and oil transportation
- Superior quality raw materials for coating applications
- Comprehensive pipe fittings for a diverse range of pipeline needs
Shandong Donghong Pipe Industry Co., Ltd. boasts an elite team of over 200 R&D experts and holds more than 100 patents, underscoring our innovative prowess. Leveraging national technology research platforms such as the National Enterprise Technology Center and CNAS Laboratory, we are at the forefront of digitalization, informatization, and intelligence in pipeline engineering. Our pivotal role in advancing the engineering pipeline industry is evident in landmark projects like the South-to-North Water Diversion and urban water supply integration. Driven by an unwavering commitment to innovation and quality, Donghong is dedicated to providing exceptional service to key strategic and vital public projects.
For countless years, we at Shandong Donghong Pipe Industry Co., Ltd. have forged robust partnerships with premier logistics companies, crafting an unparalleled transportation network. By seamlessly integrating steam transportation, railroad transit, and port-shipping logistics, we guarantee our customers the most efficient, reliable, and cost-effective shipping solutions available in the market.
With our vast expertise in transportation, we ensure the timely delivery of your Fire-Resistant HDPE Conduit Tube for Irrigation Systems, no matter the weather conditions or the remoteness and severity of the destination. Our meticulously designed transportation plans ensure that each consignment reaches its destination with impeccable punctuality and integrity, safeguarding your investment every step of the way.
1. Does your product meet international standards?
Our products have not only passed internationally recognized certifications such as CE, BV, ISO, and WARS but also consistently surpass standard benchmarks. We offer the flexibility to customize our products to align with any specific national standards you require. Simply share your specifications with us, and we will conduct thorough verification and testing to ensure compliance.
2. What services do you offer?
As a leading manufacturing factory, we deliver superior pipe products, high-quality pipe fittings, secure packaging, and efficient shipping. Beyond manufacturing, we function as a professional consulting firm offering in-depth project consultation, innovative pipe system solutions, and expert design recommendations. As an engineering-centric enterprise, we extend our services to pipeline contracting, comprehensive pipe repair, and complimentary maintenance guidance.
3. Do you support OEM/ODM services?
Absolutely, we provide a wide range of OEM/ODM services, allowing customization in materials, specifications, logos, packaging, and connection methods. Our expert team excels in crafting unique solutions tailored to your specific project needs, supported by a wealth of successful case studies.
4. What are your terms of payment?
We accept payments via T/T or L/C at sight to ensure smooth and secure transactions.
5. How do you guarantee the quality of your products?
We warmly welcome all customers to visit our facilities and conduct firsthand inspections of our products. We are prepared to perform exhaustive testing as per your specifications before finalizing any orders. Additionally, we can provide samples for your independent testing to guarantee the highest quality standards before proceeding to bulk production.
Welcome to Shandong Donghong Pipe Industry Co., Ltd.
Our products not only adhere to international standards like CE, BV, ISO, and WARS certification but consistently surpass these benchmarks. We offer the ability to customize our products to meet any national standards you require.
We provide a comprehensive suite of services, including premium pipe products, durable fittings, meticulous packaging, efficient shipping, thorough project consulting, innovative pipe system solutions, expert design recommendations, pipeline contracting, pipe repair services, and comprehensive maintenance guidance.
We proudly support OEM/ODM services with extensive customization options in materials, specifications, logos, packaging, and connection methods. Our skilled team is adept at delivering tailored solutions for your specialized projects, as demonstrated by our proven track record of successful cases.
Our payment terms include T/T or L/C at sight. We assure the highest quality of our products through on-site inspections, rigorous testing, and by providing samples for customer verification before commencing bulk production.