
Shandong Donghong Pipe Industry Co., Ltd. presents a solution to the State's call for environmentally friendly engineering pipelines. Our pipelines are designed to be green, corrosion-resistant, and energy-saving, ensuring a sustainable future. We guarantee that no reclaimed materials are used in our production process. Each pipeline boasts a lifespan of up to 50 years, significantly reducing consumption and environmental pollution caused by repetitive production processes.

- High Hydrostatic strength
- Good Oxidation Resistance Performance
- Advanced integrated equipment
- Strict process control
- Precision Meter weight control system
- Self-owned CNAS laboratory
- Sturdy safe 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 |

Donghong specializes in plastic pipe fittings, steel pipe fittings production plant, the production of various specifications of engineering supporting fittings, but also according to customer requirements and construction conditions to help customers customize special fittings, to achieve "good connection to achieve a good system," the concept of manufacturing.
For example:
1.The elctric fusion connection.
2.The heat fusion butt welding connection.
3.The flange buckle connection.
4.The butt fusion connection.
Shandong Donghong Pipe Industry Co., Ltd. offers a wide range of injection molded joints and connectors, with over 70 sets of production equipment and 700 injection molds. Our state-of-the-art technology includes a large injection molding machine capable of producing fittings up to 230,000 grams in a single mold, ensuring high-quality, gap-free products. Trust Donghong Pipe Industry for top-notch fittings that meet and exceed industry standards.



1. Elctric fusion connection. | 2. Butt fusion Connection. | 3. Flange Buckle Connection |
HDPE Irrigation Pipe with High Pressure
Shandong Donghong Pipe Industry Co., Ltd. offers high-pressure HDPE pipes for irrigation. Our PE conduit pipes are corrosion-resistant, scale-resistant, and ideal for hygienic water supply.

Discover our HDPE Irrigation Pipe with High Pressure for efficient water supply. Our PE conduit pipe is corrosion-resistant, scale-resistant, and anti-microbial, making it ideal for various applications.




Discover the Classic Case of High-Pressure HDPE Irrigation Pipe by Shandong Donghong Pipe Industry Co., Ltd. Perfect for hygienic water supply, corrosion resistance, and anti-scaling properties.

Pipe for Yangzhou shipyard ship


This project investment of up to hundreds of millions of dollars, the relationship between hundreds of thousands of people's drinking water safety, a complete solution to the people's drinking water within the coverage of the villages and towns; the establishment of a sound operation of a sound management and maintenance mechanism; the rural drinking water quality standard rate increased significantly; the rate of water penetration to reach 100%, which is of great significance, the government can choose Donghong Pipeline as the project leader, looking at Donghong Pipeline's strong strength, more than 20 years and thousands of case experience, and Donghong people "adhere to the quality of social security pipeline responsibility" the origin of the mission. Case experience, and Donghong people "adhere to the quality, adhere to the responsibility of social security pipeline," the origin of the mission.

Product Advantages |
Experience top-quality pipe products with Shandong Donghong Pipe Industry Co., Ltd. Our pipes offer high hydrostatic strength, excellent oxidation resistance performance, and advanced integrated equipment. With strict process control, precision meter weight control system, and a self-owned CNAS laboratory, our products ensure reliability and durability. Enjoy a sturdy and safe connection with our pipes, providing peace of mind for your projects.




Shandong Donghong Pipe Industry Co., Ltd.
Shandong Donghong Pipe Industry Co., Ltd., established in 1997, is a cutting-edge enterprise that focuses on pipe research, development, production, sales, and service. We have built an industrial ecosystem that includes design institutes, financial institutions, port logistics, construction units, and various upstream and downstream enterprises. Our goal is to be a global leader in providing comprehensive solutions for pipeline systems, revolutionizing human life with intelligent pipelines, and ensuring the continuous safety of pipeline transportation.
On November 6, 2017, Donghong shares were listed on the main board of the Shanghai Stock Exchange, making us the first main board listed enterprise in China's engineering composite pipeline industry.
Product Categories:
- Special pipelines for rainwater and sewage diversion
- Special pipelines for municipal areas
- Special pipelines for industrial and mining areas
- Special pipelines for national key engineering projects
- Special pipelines for gas & oil
- Raw materials of coating materials
- Matched pipe fittings for all kinds of pipes

Shandong Donghong Pipe Industry Co., Ltd. is a leading company with a team of over 200 R&D experts and a portfolio of more than 100 patents. Leveraging national technology research platforms like the National Enterprise Technology Center and CNAS Laboratory, Donghong is driving innovation in pipeline engineering. This is crucial for major projects such as the South-to-North Water Diversion and urban water supply integration. Committed to quality and innovation, Donghong is dedicated to serving key strategic and people's livelihood projects.


Together with many years of transportation experience, no matter how hot or cold it is, no matter how remote the area is or how harsh the environment is, we have a comprehensive transportation plan to ensure that each batch of goods arrives at the site at the first time.

Our products have pass CE, BV, ISO and wars certificate, and all figures indicates higher than standard, you can feel free to let us know which national standard you required, we will check or test it for you.
2. What kind of service do you offer ?
As a manufacture fatory, we provide pipe products, pipe fittings, package and shipping; as a professional consulation company we provide project consulting advise, pipe system solutions and design suggestions; as an engineering focused enterprise , we also provide pipeline contractor service and pipe repair service, also can give free maintance guidance.
3. Do you support OEM/ODM service?
Yes, we offer customization in material, specification, logo, package , connection methods andothers. Meanwhile, our professional team can offer solution suggestion for your specified projects, we have successfull cases of that service.
4. What's your terms of payment?
T/T or L/C at sight.
5. How can you gurantee the goods you offered is qualified?
We warmly welcome all customers arrange the visit to our company and see our goods in sight, we can also provide strict test as per customer required before order. Meanwhile, before the bulk production, we can dispatch samples for customer to do their own tests to qualify the products.
Welcome to Shandong Donghong Pipe Industry Co., Ltd.
Our products at Shandong Donghong Pipe Industry Co., Ltd. meet international standards such as CE, BV, ISO, and wars certificate, surpassing the required figures. We offer customization in material, specification, logo, package, and connection methods to meet any national standard you require.
We provide a range of services including pipe products, fittings, packaging, shipping, project consulting, pipe system solutions, design suggestions, pipeline contractor services, pipe repair, and maintenance guidance. Our professional team can offer tailored solutions for your projects.
We support OEM/ODM services, allowing customization in various aspects. Payment terms include T/T or L/C at sight. We guarantee the quality of our goods through on-site visits, strict testing, and providing samples for customer testing before bulk production.