What drawing formats do you support?

We support 3D drawings (.Step, .STP, .Igs) and 2D drawings (.Dxf).

What is the minimum order quantity?

The minimum order quantity is 100 pieces.

What payment terms are accepted?

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

Durable Black Cast Iron Triangle Support Bracket

Name: Durable Black Cast Iron Triangle Support Bracket
Brand: Qingdao Donrex Co., Ltd.
SKU: 2160808662

Shandong, ChinaQingdao Donrex Co., Ltd.

US$0.50-3.00

100 Pieces

Product profile

Customization

Available

Casting Method

Thermal Gravity Casting

Process

Investment Casting

Molding Technics

Pressure Casting

Application

Auto Parts

Material

Carbon Steel

Surface Preparation

Black Powder Coated

Surface Roughness

Ra1.6

Machining Tolerance

+/-0.10mm

Standard

ASTM

Certification

CE, RoHS, ISO 9001:2000, ISO 9001:2008

Logo

Customized Logo Acceptable

Certificate

Both Material and Dimension Report

Quality Control

100% Inspected, Third Party Inspection Available

Lead Time

30-35 Days

Drawing

3D Drawing: .Step / .STP /.Igs, 2D Drawing: .Dxf/

Transport Package

Pallets or Wooden Box

Specification

OEM

Trademark

OEM

Origin

Shandong

Production Capacity

100000PCS/Month

Key features

Heavy-Duty Cast Iron Construction Made of high-grade ductile iron with precision casting, ensuring superior load-bearing capacity and long service life.

Lightweight Reinforced Design Hollow hole structure reduces weight while maintaining high strength, ideal for truck/trailer suspension and chassis parts.

Anti-Corrosion Black Powder Coating Uniform black painted surface provides excellent rust and wear resistance, suitable for harsh working environments.

Precision Machined & Standard Fit Strict dimensional control ensures accurate installation and perfect compatibility with matching equipment.

OEM/ODM & Custom Service Available We support custom sizes, hole positions, surface treatments and logo engraving according to your drawings or samples.

Rigorous Quality Control Each bracket undergoes strict testing (tensile strength, pressure resistance, coating adhesion) to meet international standards.

Company profile

Full CustomizationR&D CapabilitiesODM ServicesManagement Certification

Qingdao Donrex Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 18 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤9.73h

AI-Powered supplier vetting

SummaryThe supplier offers broad customization, exports approximately 90% of sales, has exported for 18 years, and reports standardized finished-product inspection instructions. It holds CE and ISO9001:2015 certifications and has seven R&D engineers, but launched no new products last year and is explicitly not classified as a professional technical supplier or a provider of 3D software design. The supplier lacks stated inventory, overseas warehouse, overseas showroom, overseas agents or branches, and offline trade-show participation. Manufacturing capacity is constrained by the absence of a valid contract with related subcontractors. Customer evidence is limited: there is no cooperation with Fortune 500 companies, while repeat-buyer preference is reported at 50%–80%. Financial credibility cannot be assessed because no relevant financial information is provided.

CertificationsThe supplier reports CE product compliance certification and an ISO9001:2015 management-system certificate. These are explicit certifications supporting compliance and quality-management capability.

After-Sales capabilityThe supplier reports no overseas warehouse, overseas showroom, overseas agents or branches, and no overseas service countries. It does provide several quotation and payment options, but the stated international service infrastructure is limited.

R&D capabilityThe supplier has seven R&D engineers and offers multiple forms of customization, but it is not a professional technical supplier, does not provide 3D software design services, and launched no new products in the past year. The evidence shows customization capacity but weak recent product-innovation evidence.

Production capacityThe supplier has written and uniformly followed finished-product inspection instructions, reports one-month average lead times in both peak and off-season periods, and identifies 40 qualified suppliers for service capability. However, it has no inventory capability and no valid manufacturing-capacity contract with related subcontractors, creating an explicit production-structure deficiency.

Customization capabilityThe supplier explicitly provides customization from designs, customization from samples, full customization, minor customization, and flexible customization. This is direct evidence of a broad range of customization services.