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Premium Hot Dipped Galvanized Zinc Culvert Pipe for Heavy Duty Applications
US$650.00
1-14 Tons
US$600.00
15-29 Tons
US$550.00
30+ Tons
Product profile
Customization
AvailableAfter-sales Service
One YearWarranty
One YearModel NO.
customizedType
WeldedTechnique
ERWMaterial
Carbon SteelSurface Treatment
PolishedUsage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special PurposeSection Shape
RoundProduct Name
Galvanized Tube/PipeZinc Coating
30g-275gOuter Diameter
20mm~508mmWall Thickness
1mm~12mmTechnology
Hot Dipped GalvanizedTolerance
± 0.01mmDelivery Time
7-15 DaysTransport Package
Standard PackingTrademark
TongMaoOrigin
ChinaProduction Capacity
1000 Tons/MonthKey features
Hot Dipped Galvanized: Zinc coating ranges from 30g to 275g for superior corrosion resistance.
Wide Size Range: Outer diameter 20mm-508mm and wall thickness 1mm-12mm available.
Multiple Material Grades: Includes 10#, 20#, Q235, Q345, A53, and various St grades.
Fast Delivery: Standard delivery time is within 7-15 days.
Global Sample Service: Samples can be sent to any location worldwide.
Strict Quality Control: All products undergo strict quality inspection before packaging.
Secure Packaging: Waterproof paper, iron packaging, and fumigation wooden pallets.
Factory Visits Welcome: Customers from all over the world are invited to visit the factory.
Company profile
Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs CertifiedExport Year: 10 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤5.86h
AI-Powered supplier vetting
SummaryThe supplier is a limited-company trading company with eight employees and a product scope covering copper, aluminum, steel, brass, and stainless-steel products. It has self-operated import/export rights, eight years of export experience, and exports account for 71%–90% of total sales. Production information states annual capacity of 500,000 tons for steel pipe and 10,000 tons for copper pipe, with peak- and off-season lead times both within 15 working days. However, the supplier reports no overseas showrooms, agents, branches, or offline trade-show participation, and has no written complaint-handling, corrective-action, or supplier-service assessment procedures. Quality controls include quality assurance, but finished products are randomly inspected and checked by packing staff, with one quality inspector and no raw-material traceability. Innovation and formal R&D capabilities are limited: no new products were launched in the previous year, and no 3D design, ODM, SDK, or popular-brand OEM services are...
After-Sales capabilityThe supplier has no overseas showroom, overseas agent or branch, or offline trade-show participation. It also has no written corrective-and-preventive-action procedures, complaint-handling procedures, or effective supplier-service assessment records, although it accepts multiple quotation and payment terms and reports lead times within 15 working days.
R&D capabilityThe supplier reports no new products in the previous year and does not provide 3D software design, ODM, SDK, or popular-brand OEM services. Its stated R&D-related service is customization from samples, indicating limited innovation capability rather than a documented product-development program.
Production capacityThe supplier provides stated annual productivity of 500,000 tons for steel pipe and 10,000 tons for copper pipe, with peak- and off-season lead times both within 15 working days. It has export experience of eight years, self-operated import/export rights, and export sales of 71%–90%; however, quality inspection is limited to random inspection, packing-staff checks, one inspector, and no raw-material traceability.
Customization capabilityCustomization from samples is explicitly available in both the R&D/design-related and product-capability information. No broader 3D, ODM, SDK, or formal product-development capability is stated, so the confirmed capability is sample-based customization.
Product Q&A
Q:Can you send samples?
A:
Of course, we can send samples to all parts of the world.
Q:What are the shipping ports?
A:
Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao ports, you can choose other ports according to your needs.
Q:What are the certifications for your products?
A:
We have ISO 9001, SGS, EWC and other certifications.
Q:How long does your delivery time take?
A:
In general, our delivery time is within 7-15 days, and may be delayed if the demand is extremely large or special circumstances occur.
Q:Can I go to your factory to visit?
A:
Of course, we welcome customers from all over the world to visit our factory.
Send Inquiry
*To:
Shandong Tongmao Special Steel Co., Ltd.
Shandong Tongmao Special Steel Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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