What payment terms are accepted?

Accepted payment methods include LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the zinc coating standard for the galvanized pipe?

The standard zinc coating is 275g/M2, but it can be customized according to your request.

How is the quality of the finished products inspected?

2 QA/QC inspectors perform random inspections, including visual and functional checks, following uniform instructions.

Tunnel

Name: Excellet Galvanized/Az/Azm Steel Round Pipe for Multitype Greenhouse/Tunnel
Brand: Tianjin Longlong Metal Products Factory
SKU: 1987099185

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

Usage

Multiple Greenhouse

Size

Customizable

Model NO.

AST049

Cover Material

Film

Layer

Single

Span

8meters, etc.

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

Customizable Dimensions: Span 8m, Section 5m, Thickness 1.5/2.0mm, and various specs available per request.

OEM/ODM Support: Full customization from samples, designs, or minor adjustments with flexible options.

Low MOQ: Minimum order quantity is just 1 piece, suitable for small batches or samples.

Fast Lead Time: Production within 15 workdays for both peak and off-season periods.

ISO9001 Certified: Manufacturer with ISO9001:2015 certification ensuring consistent quality control.

Professional Quality Control: 2 QA/QC inspectors perform random visual and functional inspections on finished products.

Versatile Greenhouse Use: Ideal for multi-type greenhouses and tunnels as upright columns or connecting structures.

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 are the customizable options for the steel pipe?

You can customize the span (e.g., 8m), section (e.g., 5m), zinc coating weight (275g/M2 or per request), thickness (1.5mm/2.0mm), and various specifications.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 piece, allowing for flexible purchasing.

Q:What is the average lead time for production?

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

Q:Does the manufacturer support OEM or ODM services?

Yes, OEM and ODM services are available, including customization from samples, designs, and flexible minor adjustments.

Q:What certifications does the factory have?

The factory holds ISO9001:2015 certification for its management system.