Can I mix different models in one container?

Yes, different models can be mixed in one container, but the quantity of each model should not be less than MOQ.

How does your factory do regarding quality control?

We always pay great attention to quality control from the very beginning and every product was tested piece by piece before delivery.

Do you have quality certification?

Yes, we have CE, SGS, ISO, ect.

Umbrella Head Roofing Nail with or Without Washers

Name: Umbrella Head Roofing Nail with or Without Washers
Brand: TIANJIN GRAND METAL CO., LTD.
SKU: 1918889872

Tianjin, ChinaTIANJIN GRAND METAL CO., LTD.

US$1,100.00-1,200.00

2 Tons

Product profile

Standard

GB, ISO

Type

Roofing Nail

Material

Steel

Model NO.

1000

Head Style

Umbrella Head

Shank Type

Twisted

Washer

Rubber

Surface Treatment

Electro Galvanized

Application

Building Construction

Length

62mm/65mm/75mm

Point

Diamond Point

Steel Grade

Q195/Q235

Transport Package

2.5 Kgs Per Box, 8 Boxes Per Carton

Specification

BWG9 (3.75mm

Trademark

GRANDMETAL

Origin

China

HS Code

73170000

Production Capacity

200tons Per Month

Key features

Diverse Length Options: Available in 62mm, 65mm, and 75mm to suit various construction needs.

Twisted Shank Design: Twisted shank type provides superior holding power and stability.

Customizable Carton Print: Professional designers available to customize carton printing based on requirements.

OEM Service Available: OEM customization services are supported for product specifications.

Anti-Rust Protection: Includes desiccant moisture absorbent bags in containers to prevent rust.

Flexible Packing Options: Standard 1kg/bag or 2.5kg/box, with custom packing available upon request.

High-Quality Steel Grade: Manufactured using Q195/Q235 steel for durability and strength.

Diamond Point Tip: Diamond point design ensures easy penetration into roofing materials.

Company profile

TIANJIN GRAND METAL CO., LTD.

Tianjin, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 10 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤2.09h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier presents itself as a specialized steel manufacturer and exporter with four production lines, 50 quality-control staff, and export markets in South America, Africa, and Australia. It reports customization from samples and lead times within 15 working days in both peak and off-season periods. However, the investigation identifies limited documented management evidence: no stated 3D design, ODM, SDK, or popular-brand OEM capability; no inventory, overseas warehouse, overseas showroom, overseas agent, or branch capability; and no participation in offline trade shows. Supplier-management, corrective-action, and complaint-handling procedures exist but lack written records, while quality-control testing equipment is reported as zero. Certification details are recorded only as “Others,” and the financial slices contain zero values for several recent indicators, making financial credibility difficult to verify.

Supplier typeThe supplier is explicitly described as a specialized steel manufacturer with an integrated research, manufacturing, and distribution system, while another slice states it is not a professional technical supplier. This supports classification as a steel manufacturing/export supplier rather than a professional technical-services supplier.

R&D capabilityThe supplier claims technical research strength and product-detection equipment, but the investigation records only one year of total R&D-engineer experience, no new products in the past year, and no 3D software design, ODM, SDK, or popular-brand OEM capability. The evidence shows limited demonstrated innovation capability.

Production capacityThe supplier reports four production lines, 50 quality-control staff, and a specialized steel manufacturing operation, with lead times within 15 working days in both peak and off-season. However, quality-control test equipment is reported as zero, and quality assurance and traceability statuses are unknown, so production capacity is supported but production-control maturity is not fully established.

Customization capabilityThe supplier explicitly provides customization from samples and accepts several quotation and payment terms, indicating an ability to support sample-based customization. No broader engineering, 3D-design, ODM, or SDK capability is reported.