What materials are used for these pipes?

Materials include GrA, Gr.B, Gr.C, S235, S275, S355, A36, SS400, Q195, Q235, and Q345 carbon steel.

What surface treatments are available?

Options include hot-dipped galvanized (zinc 220-260g/m2), pre-galvanized (zinc 30-150g/m2), painted black/varnish, oil-coated, or bare pipe.

Does the manufacturer provide OEM/ODM services?

Yes, we provide both OEM and ODM services with 10 R&D engineers and over 20 years of production experience.

Special Structure Provided According to Customers' Requirement Structure Pipe Fro Greenhouse

Name: Special Structure Provided According to Customers' Requirement Structure Pipe Fro Greenhouse
Brand: Tianjin RuiTong Iron & Steel Co., LTD.
SKU: 1991882742

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

US$700.00-800.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

3 Months

Type

Welded

Technique

Hot Rolled

Material

Carbon Steel

Surface Treatment

Black

Usage

Pipeline Transport, Boiler Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose, Chair, Tent,Building,Table,Shelf

Section Shape

Round

Surface

Oil,Black ,Varnish,Hot Dipped Galvanized

Standards

ASTM A500 ,GB/T3094

Processing Service

Welding, Punching, Cutting, Bending, Decoiling

Delivery Time

8 Days, 15-21 Days

Grade

Q235, Q195,

Alloy or Not

Non-Alloy

Supply Ability

15000t /Month

Transport Package

in Bundles with Water Proof Plastic Tarpaulin

Specification

15mm-400mm

Trademark

RUITONG

Origin

Tianjin, China

HS Code

73066100

Production Capacity

500000

Key features

Customizable Surface Treatment: Options include oil, black, varnish, and hot-dipped galvanized finishes.

Flexible Processing Services: Supports welding, punching, cutting, bending, and decoiling per requirements.

Wide Material Range: Available in GrA, Gr.B, Gr.C, S235, S275, S355, A36, SS400, Q195, Q235, Q345.

Multiple Standard Compliance: Meets ASTM A500, EN10219, EN10210, JIS3466, and GB/T 6728 standards.

Fast Delivery Time: Standard delivery within 8 days; bulk orders within 15-21 days.

High Supply Capacity: Monthly supply ability reaches 15,000 tons for large-scale orders.

Versatile Section Shapes: Offers round, square (20x20mm-400x400mm), and rectangular (20x40mm-300x500mm) pipes.

Professional Quality Assurance: Certified by SGS, BV, CCIC, and ISO 9001:2008 with 10 QA inspectors.

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: ≤15h

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.

Product Q&A

Q:What customization options are available?

We offer full customization, minor customization, and flexible customization from samples or designs. Surface treatments can be oil, black, varnish, or hot-dipped galvanized.

Q:What is the minimum order quantity?

The minimum order quantity is 1 unit, allowing for small trial orders.

Q:What are the available payment terms?

We accept LC, T/T, D/P, PayPal, and Western Union for payments.

Q:What standards do your pipes comply with?

Our pipes comply with ASTM A500, EN10219, EN10210, JIS3466, and GB/T 6728 standards.

Q:How long is the delivery time?

Standard delivery takes 8 days. For larger orders, it takes 15-21 days. Peak season lead time is within 15 workdays or one month.