What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

What certifications does the product have?

The product has ISO 9001:2008 and TS16949 certifications.

What is the standard for this coupler?

The standard for this coupler is ASTM.

Heavy Duty Adjustable Coupler

Name: Heavy Duty Adjustable Coupler
Brand: Qingdao Donrex Co., Ltd.
SKU: 743301392

Shandong, ChinaQingdao Donrex Co., Ltd.

Negotiable

50 Pieces

Product profile

Customization

Available

Casting Method

Thermal Gravity Casting

Process

Investment Casting

Model NO.

Adjustable Coupler

Molding Technics

Gravity Casting

Application

Auto Parts

Material

Cast Steel

Surface Preparation

Sand Blast

Surface Roughness

Ra6.3

Machining Tolerance

+/-0.02mm

Standard

ASTM

Certification

ISO 9001:2008, TF16949

Deliver Time

25-35 Days

Transport Package

Bubble Bag, Carton, Pallets or Wooden Box

Specification

OEM

Trademark

OEM

Origin

China

Production Capacity

60000 PCS/Month

Key features

ISO 9001 & TS16949 Certified: Manufactured under strict ISO 9001:2008 and TS16949 standards for automotive parts.

High Precision Tolerance: Machining tolerance of +/-0.02mm ensures high quality for complex auto components.

20 Years Manufacturing Exp: Over two decades of success in China with extensive global exporting experience.

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

Comprehensive Secondary Ops: Offers heat treatment, machining, plating, painting, polishing, and assembly.

24/7 Customer Support: Sales department available 24 hours to help customers solve problems quickly.

Cost-Effective Solution: Low cost mold materials and focus on efficiency for metal component purchasing.

100% Product Inspection: Strict visual and function inspection for all finished products before shipping.

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: ≤9.81h

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.

Q:What is the minimum order quantity?

The minimum order quantity is 100 Pcs.