Galvanized Left Hand Thread Rock Bolt High Strength Mining Anchor Bolt for Tunnel Support

Name: Galvanized Left Hand Thread Rock Bolt High Strength Mining Anchor Bolt for Tunnel Support
Brand: Qingdao Donrex Co., Ltd.
SKU: 2147697942

Shandong, ChinaQingdao Donrex Co., Ltd.

US$3.50-6.50

100 KG

Product profile

Customization

Available

Processing Object

Metal

Molding Style

Forging

Model NO.

OEM

Application

Auto Parts

Material

Aluminium

Heat Treatment

Tempering

Certification

RoHS, ISO 9001:2008, TF16949

Transport Package

Bubble Bag, Carton, Pallets or Wooden Box

Specification

Drawing

Trademark

OEM

Origin

Shandong

HS Code

7616999000

Production Capacity

500000PCS/Month

Key features

Extensive Material Options: Available in Stainless Steel, Carbon Steel, Low Alloy Steel, and Nickel Alloy varieties.

Diverse Surface Treatments: Options include Galvanized, Hot Dip Galvanized, Anodization, Nickel Plated, and PTFE.

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

Global Manufacturing Experience: 20 years of manufacturing success with 18 years of export experience worldwide.

Comprehensive Quality Control: Features 100% inspection for finished products including visual and function checks.

Fast Response Support: Sales department available 24 hours to help customers solve problems quickly.

Sample Order Availability: Samples are available for quality checking within 10-30 days.

Multiple Payment Methods: 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: ≤9.86h

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:Can we get the samples?

Yes, we can supply you the samples for checking our quality within 10-30 days.

Q:Can we place a trial order first time?

Yes, we are glad to supply you small trial order, and hope your quantity will be big in future.

Q:Can you help us to do the customs clearance of import?

Yes, we can help you to do the customs clearance.

Q:What is your lead-time?

With our design, fabrication and manufacturing skills and experience, we can efficiently exceed your expectations and meet the time frame required. However, we guarantee that quality and service are never compromised.