What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Is the product suitable for greenhouse structures?

Yes, it is specifically designed for greenhouse steel structures, upright columns, posts, and connecting structures.

What certifications does the manufacturer hold?

The company holds ISO9001:2015 management system certification.

Tunnel

Name: Excellent Az/Azm/Galvanized/Customized Rectangular Tube for Greenhouse/Tunnel
Brand: Tianjin Longlong Metal Products Factory
SKU: 1988481935

Tianjin, ChinaTianjin Longlong Metal Products Factory

US$1,100.00

10-99 Tons

US$1,090.00

100+ Tons

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Whole Life

Warranty

1 Year

Model NO.

AST049

Section

5meters, etc.

Zinc

275G/M2 or Per Your Request

Transport Package

Bundle

Specification

Trademark

LONGLONG

Origin

China

HS Code

73069090

Production Capacity

10000tons/Month

Key features

Customized Dimensions: Section size 5 meters and other dimensions available per request.

Customized Zinc Coating: Zinc coating 275g/M2 or customized according to specific requirements.

Customized Thickness: Thickness options include 1.5mm, 2.0mm, or per your specific request.

OEM and ODM Services: Full OEM and ODM services available including customization from samples and designs.

ISO9001:2015 Certified: Manufacturing process certified under ISO9001:2015 management system.

1-Year Warranty: Comes with a standard 1-year warranty for peace of mind.

Whole Life After-Sales: Provides comprehensive after-sales service throughout the product's entire life.

Low MOQ: Minimum Order Quantity is only 1 piece, suitable for small orders.

Company profile

High Repeat Buyers ChoiceStandardized quality controlR&D CapabilitiesCustomization from Designs

Tianjin Longlong Metal Products Factory

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: 21 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is a Tianjin, China-based manufacturer with capabilities in forming machines, press machines, punching machines, solar panel brackets, greenhouse steel structures, light steel villas, and construction materials. It holds an ISO 9001:2015 certificate and reports documented procedures for supplier approval updates, corrective and preventive actions, and customer complaint handling. Production resources include two production lines, 6–10 quality-control staff, and stated annual capacities for several product categories. The supplier supports OEM, ODM, and multiple forms of customization, but reports no new products in the past year and no SDK availability. Overseas service infrastructure is limited: it has no overseas warehouse, showroom, agent, or branch, and the stated overseas-service country count is zero. Customer-related evidence includes OEM service for recognized brands and sales or service presence in several countries, but no specific customer names or project outcomes are provided.

Supplier typeThe supplier presents itself as a manufacturing company producing steel structures, construction materials, solar panel brackets, and forming-related machinery. Its stated OEM and ODM services, factory location, production lines, and product capacities support classification as a manufacturer rather than only a trading or service intermediary.

CertificationsThe supplier explicitly reports holding an ISO 9001:2015 certificate, indicating documented quality-management-system certification. No additional certifications are identified in the provided information.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions and customer complaint handling, and accepts FOB, CIF, CFR, and EXW quotation terms. However, it reports no overseas warehouse, showroom, agent, or branch, and the overseas-service country count is stated as zero, limiting evidence of localized overseas support.

Production capacityThe supplier operates two production lines, employs 6–10 quality-control staff, and reports annual capacities of 20,000 tons for solar panel brackets, 200,000 square meters for greenhouse steel structures, 100 roll-forming machines, and 100,000 square meters for light steel villas. These stated facilities and capacities explicitly demonstrate production capability across several product categories.

Customization capabilityThe supplier explicitly supports customization from samples, customer designs, full customization, minor customization, and flexible customization, and also offers ODM services. This provides direct evidence of broad customization capability for its products.

Product Q&A

Q:What customization options are available for the tube?

We offer full customization including section size (e.g., 5 meters), zinc coating (275g/M2 or per request), and thickness (1.5mm/2.0mm or per request).

Q:Do you provide OEM and ODM services?

Yes, we offer both OEM and ODM services, including customization from samples, designs, and flexible customization options.

Q:What is the warranty period for this product?

The product comes with a 1-year warranty and whole-life after-sales service.

Q:What is the minimum order quantity?

The minimum order quantity is 1 piece.

Q:What are the lead times for production?

The average lead time is within 15 workdays for both peak and off-peak seasons.