Is the product certified?

Yes, our management system is certified under ISO 9001:2015.

What is the inspection process?

We perform 100% visual and functional inspection on all finished products with traceable raw materials.

Where is the nearest port?

The nearest port is Qingdao Port.

Carbon Steel Forging Hex Nuts

Name: Carbon Steel Forging Hex Nuts
Brand: Qingdao Donrex Co., Ltd.
SKU: 739492442

Shandong, ChinaQingdao Donrex Co., Ltd.

US$0.50-9.52

1,000 kg

Product profile

Customization

Available

Processing Object

Metal

Molding Style

Forging

Model NO.

OEM

Molding Technics

Pressure Casting

Application

Hardware

Material

Steel

Heat Treatment

Tempering

Surface Treatment

Sand Blasting

Forging Tolerance

+/-0.5mm

Standard

ASTM

Certification

ISO 9001:2000

Transport Package

Sea

Specification

OEM

Trademark

Customized

Origin

Shandong

Production Capacity

50000PCS/Month

Key features

Comprehensive Quality Reports: Includes chemical composition, mechanical properties, dimension, hardness, and heat treatment charts.

Advanced Forging Equipment: Equipped with 4000-5000 Ton hydraulic machines and specialized heat treatment furnaces.

Strict Quality Inspection: 100% visual and functional inspection for all finished products with traceable raw materials.

Flexible Customization: Offers full, minor, and flexible customization from designs or samples.

ISO 9001 Certification: Manufacturing process certified under ISO 9001:2015 management system.

Fast Lead Time: Average production time is one month for both peak and off-peak seasons.

Experienced Manufacturer: Established in 2007 with 18 years of export experience and 7 R&D engineers.

Diverse Payment Options: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

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: ≤10.13h

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.

Product Q&A

Q:What quality reports are provided?

We provide chemical composition, mechanical properties, dimension test, hardness test, heat treatment chart reports, and others according to client demand.

Q:What is the minimum order quantity?

The minimum order quantity is 100 pieces.

Q:Do you offer customization services?

Yes, we offer full, minor, and flexible customization from designs or samples.

Q:What is the average lead time?

The average lead time is one month for both peak and off-peak seasons.

Q:What payment terms do you accept?

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