- Overview
- Product Description
- Connection Method
- Appliation Cases
- Certifications
- Company Profile
- FAQ
Basic Info.
Product Description
| Hot Selling Pipes | |||
| Steel Wire Reinforced PE Composite Pipe | Fiberglass Steel Wire Reinforced Composite Pipe | HDPE Pipe | PVC Pipe |
| Antistaic Flame Redartant Composite Pipe for Mining | Anti-corrosion Composite Pipe | Thermal Insulated Pipe | Big Carliber Composite Steel Pipe |
- Buried: Featuring inner epoxy and outer PE, inner epoxy and outer 3PE, inner epoxy and outer 3PP, or inner and outer epoxy coatings.
- Pipe Jacking: Options include inner epoxy with outer 3PE, inner epoxy with outer 3PP, or inner epoxy with a double layer of epoxy.
- Trenchless Traction: Choose from inner epoxy with outer 3PE, inner epoxy with outer 3PP, or inner epoxy with a double layer of epoxy.
- Open-Air Application: Incorporates inner epoxy and outer anti-UV coatings to withstand environmental exposure.
Inner Epoxy Resin Outer Polyethylene Coating Composite Steel Pipe: This innovative product starts with a pre-treated steel base pipe, which is then heated and coated on its inner surface with fusion-bonded epoxy powder. The outer surface is coated with polyethylene powder, resulting in a corrosion-resistant, steel-plastic composite pipe that promises exceptional performance and durability.
| Clamp Connection | Flange Connection |
| Product Features |
Our double-layer epoxy coating, both inside and out, is meticulously crafted from epoxy resin. This ensures remarkable compatibility and boasts a patented solvent-free epoxy coating that offers unparalleled corrosion resistance.
The double-layer epoxy coating seamlessly integrates with cathodic protection systems, ensuring no shielding effects for optimal performance.
Crafted from high molecular weight epoxy resin, our coating material provides outstanding flexibility and exceptional resistance to bending.
Our outer layer, made with a specially formulated modified epoxy coating, offers superior scratch resistance, ensuring long-lasting durability.
Our double-layer epoxy anticorrosive steel pipes can effortlessly withstand temperatures up to 110ºC, making them highly reliable in extreme conditions.
| Product Advantages |
2. Equipped with 2 advanced powder coating production lines and 12 twin-screw extruders, we boast comprehensive R&D and production capabilities in powder coating and polyethylene material modification.
3. As the largest manufacturer of diverse powder anticorrosion processes, we offer suction coating, spraying, rolling coating, dip coating, and more.
4. The only enterprise in the country that integrates large-caliber steel pipe production, anti-corrosion processing, and anti-corrosion material manufacturing under one roof.
5. Unparalleled safety and reliability with our socket-type anti-corrosion steel solutions.
| Product Specification |
| Nominal Diameter/ mm | Inner Coating Layer /mm | Outer coating layer,mm | |
| Ordinary level | Strengthen level | ||
| DN ≤65 | >0.3 | >0.6 | >0.8 |
| 65≤DN≤150 | >0.35 | >0.8 | >1.0 |
| 150≤DN≤300 | >0.35 | >0.8 | >1.2 |
| 300≤DN≤800 | >0.4 | >1.0 | >1.3 |
| 800≤DN≤1200 | >0.45 | >1.2 | >1.8 |
| 1200≤DN≤3600 | >0.45 | >1.5 | >1.8 |
| Note: can be customized as customer's needs. | |||
| Uniform Plastic Coating | Comprehensive Automative Line | High Quality Steel Roll |
| Biggest 3600 Production Line | CNAS Labratory | One-code track |
Shandong Donghong Pipe Industry Co., Ltd. (referred to as: Donghong Co., Ltd., stock code: 603856) is headquartered in Qufu, China, the revered hometown of Confucius. We proudly stand as a premier engineering pipeline manufacturer, comprehensive pipeline engineering service provider, and pipeline engineering general contractor. Our core business encompasses four primary categories of functional and bespoke pipelines: specialized pipelines for rainwater and sewage diversion, municipal area pipelines, industrial and mining area pipelines, and pipelines for national key engineering projects. We have meticulously built an extensive industrial ecosystem that includes design institutes, financial institutions, port logistics, construction units, and upstream and downstream enterprises. Firm in our commitment, we aspire to become a globally leading provider of comprehensive pipeline system solutions, championing intelligent pipelines that enhance human life and ensure the continuous safety of pipeline transportation.
At Donghong, we boast a team of over 200 R&D personnel and hold more than 100 patents. Leveraging national technological platforms like the National Enterprise Technology Center, National CNAS Laboratory, Academician Expert Workstation, and Post-doctoral Workstation, we delve deep into the digitalization, informatization, and intelligentization of pipeline engineering. As industry pioneers, we drive forward the engineering pipeline sector while serving critical national strategic projects and essential livelihood initiatives. Our remarkable contributions include projects such as the South-to-North Water Diversion, Huangzhilin, Hanzhiwei, Beijing-New Zealand Expressway, One Belt, One Road, standardized farmland, urban and rural water supply integration, Liren gas, and centralized heat supply. Donghong remains dedicated to national key strategic projects and advancing public welfare.
1. Does your product meet international standards?
Absolutely! Our products have been certified by CE, BV, ISO, and hold a WARS certificate. All our quality indicators surpass the standard requirements. Simply inform us of the national standard you need, and we will verify or test accordingly for you.
2. What types of services do you offer?
As a dedicated manufacturing factory, we offer a comprehensive range of pipe products and fittings, including packaging and shipping services. Additionally, our expert consulting services encompass project advice, pipe system solutions, and design recommendations. As an engineering-centric enterprise, we also provide pipeline contracting, repair services, and complimentary maintenance guidance.
3. Do you support OEM/ODM services?
Indeed, we offer extensive customization options in materials, specifications, logos, packaging, and connection methods. Our professional team can provide tailored solutions for your specific projects, with numerous successful cases to back our expertise.
4. What are your terms of payment?
Our payment terms are T/T or L/C at sight.
5. How can you guarantee the quality of your products?
We warmly invite all customers to visit our facilities and inspect our products firsthand. We can also conduct rigorous tests as per your requirements before confirming orders. Additionally, we can dispatch samples prior to bulk production for your own quality verification.