Heavy Duty Carbon Steel Coal Mine Rock Bolt Square Slotted Hex Nut Forging Service

Name: Heavy Duty Carbon Steel Coal Mine Rock Bolt Square Slotted Hex Nut Forging Service
Brand: Qingdao Donrex Co., Ltd.
SKU: 2164850172

Shandong, ChinaQingdao Donrex Co., Ltd.

US$3.00

500-999 Pieces

US$0.50

1,000+ Pieces

Product profile

Customization

Available

Processing Object

Metal

Molding Style

Forging

Model NO.

Rock Bolt Nut Slotted Hex Nut Mining Hardware Squa

Molding Technics

Pressure Casting

Application

Machinery Parts

Material

Steel

Heat Treatment

Tempering

Surface Treatment

Powder Coating

Forging Tolerance

+/-0.1mm

Certification

ISO 9001:2000, ISO 9001:2008, IATF16949

Plated

as Drawings

Quality Control

Quality and Size Report Provided

Tolerance

as Requested

Transport Packaging

Wooden Case or Box Stainless Steel Perforated Wat

Production Capacities

1000000/Month

Transport Package

Carton Box, Pallets or Plywood Box

Specification

40cm*50cm*60cm

Trademark

OEM

Origin

China

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: ≤8.16h

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.