What certifications does the company hold?

The company is certified with ISO45001:2018 and ISO14001.

Can you provide OEM or ODM services?

Yes, we provide both OEM and ODM services.

What are the main applications for these pipes?

They are used for construction, pipelines, machinery, chemical industry, mining, and decoration.

Galvanising Pipe Square Tubes Structural Steel Grade C250 C350

Name: Galvanising Pipe Square Tubes Structural Steel Grade C250 C350
Brand: Tianjin RuiTong Iron & Steel Co., LTD.
SKU: 1951026432

Tianjin, ChinaTianjin RuiTong Iron & Steel Co., LTD.

US$400.00-650.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

3months

Warranty

1 Years

Model NO.

21.3mm-609.6mm

Type

Welded

Technique

Hot Rolled

Material

Carbon Steel

Surface Treatment

Black Paint/Galvanized/Oil

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose, Water Transport

Section Shape

Square

Standard

ASTM A500 ,GB/T3094

End of Pipe

Plain/Be

W.T

1.0-20mm

Payment

at Sight L/C, 30%T/T

Certificate

ISO 9001

Tolerance

+-1-5%

Section

Square and Rectanglar

Length

5.8-12m

Main Use

Building Material Structure,Fence,Furniture

Alloy or Not

Non-Alloy

Grade

a,B,Grade250,Grade350

Trade Term

Fob/CFR/CIF

Surface

Oil,Black ,Varnish,Hot Dipped Galvanized

Packing

in Bundles with Water Proof Plastic Tarpaulin

Transport Package

with Plastic Tarpaulin

Specification

20x20mm-400x400mm

Trademark

RUITONG

Origin

Tianjin of China

HS Code

73066100

Production Capacity

500000

Key features

Customization Options: Supports customization from samples, designs, full or minor customization.

Wide Application Scope: Suitable for construction, pipelines, machinery, and decorative purposes.

Multiple Surface Treatments: Available in Black Paint, Galvanized, or Oil finishes.

Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, and Western Union.

Fast Lead Time: Peak season delivery within 15 workdays or one month.

Quality Assurance: ISO45001:2018 and ISO14001 certified with 10 QA/QC inspectors.

OEM/ODM Service: Professional OEM and ODM services available for clients.

Low MOQ: Minimum order quantity is just 1 unit for flexibility.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Tianjin RuiTong Iron & Steel Co., LTD.

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 16 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier is a combined manufacturing and trading entity whose stated business includes metal-material manufacturing, wire-rope production, metal-material sales, and import/export activities. It reports broad customization, ODM and OEM capabilities, with 16 years of export experience. Quality and service processes are documented, including finished-product inspection, complaint handling, corrective actions, and supplier assessment procedures. It has inventory capacity and accepts multiple payment and quotation terms, but lacks overseas warehouses, branches, agents, showrooms, and offline trade-show experience. Financial information is represented only by reporting years, without assessable financial performance data. The supplier reports no available SDK and no established AI-based sustainable-development management capability. A significant operational concern is the absence of a valid manufacturing contract with associated subcontractors.

Supplier typeThe supplier is identified as a combined company, with business activities covering metal-material manufacturing, wire-rope products, metal-material sales, import/export, and technology import/export. Its combined facility is described as a spiral steel pipe production line, indicating a manufacturing-oriented operating profile.

After-Sales capabilityThe supplier has documented procedures and records for customer complaints and corrective/preventive actions, supporting a structured service-response process. However, it has no overseas agents or branches, no overseas warehouse, and no overseas showroom, which limits evidence of localized after-sales coverage.

R&D capabilityThe supplier reports new products during the past year, ODM services, and broad R&D-related customization capabilities. However, it has no available SDK and reports no established AI model for big-data processing and decision-enabled management, so innovation evidence is positive but incomplete.

Production capacityThe supplier operates a spiral steel pipe production line, has inventory capacity, and reports documented finished-product inspection and supplier-management procedures. It also states an average lead time of within 15 working days to one month, but the lack of a valid contract with associated subcontractors is a documented production-governance risk.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM capability, providing direct evidence of broad product-development and customization support.

Client casesThe supplier states that it provides OEM services for well-known brands and identifies its own-brand quality-control capability as RuiTong, with a stated quantity of two. These entries provide some customer or brand-related evidence, but no customer names, project details, volumes, or verifiable case descriptions are supplied.