What are the lead times for production?

The average lead time is within 15 workdays during the off-season, and 1-3 months during the peak season.

What payment terms are accepted?

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

How do you ensure product quality?

We perform 100% inspection on finished products, including visual and function inspections, and trace raw materials to ensure rigorous quality standards.

High Quality Wholesale Robust Trailer Coupling Auto Part for Semi Trailer Truck

Name: High Quality Wholesale Robust Trailer Coupling Auto Part for Semi Trailer Truck
Brand: Shandong Weierqi Vehicle Parts Co.,Ltd
SKU: 2263825695

Shandong, ChinaShandong Weierqi Vehicle Parts Co.,Ltd

US$428.00

50-199 Pieces

US$410.00

200-999 Pieces

US$1.00

1,000-1,999 Pieces

US$0.80

2,000+ Pieces

Product specifications

Description

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Type

Towing Hitch

Weight

58kg

Model NO.

WEQ50E-G6

Mounting Hole Spacing

160*100/140*80

Draw Bar Eye

50mm

D-Value (kN)

280 kN

DC Value

140 kN

V-Value

75 kN

Transport Package

Wooden Box

Trademark

WEQ

Origin

China

Key features

ECE R55 Class C50-X Certified: Homologated to ECE R55 standard for safe and reliable heavy-duty trailer connections.

High Towing Capacity: Features a D-Value of 280 kN, DC Value of 140 kN, and V-Value of 75 kN for robust performance.

Flexible Customization Options: Offers full customization, minor customization, and flexible options based on samples or designs.

Durable Wear Plate Options: Available in steel or optional nylon versions to withstand harsh conditions and reduce maintenance.

Versatile Mounting Patterns: Supports mounting hole spacing of 160*100mm or 140*80mm to fit various truck and trailer models.

Advanced Safety Mechanism: Equipped with manual opening, automatic closing, and safety locking devices for secure transport.

Professional Manufacturer: Core drafting member of industry standards with 10 years of export experience and 3 production lines.

Low Minimum Order Quantity: Accepts orders starting from just 1 PCS, allowing for flexible purchasing for small or large fleets.

Company profile

Importers and ExportersPatents AwardedQuality AssuranceProduct Certification

Shandong Weierqi Vehicle Parts Co.,Ltd

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤4.74h

AI-Powered supplier vetting

SummaryWelch is a professional towing-device and trailer-accessory supplier with casting, machining, manufacturing, sales, and export capabilities. It offers a broad product range, including traction devices, pintle hooks, turntables, king pins, fifth wheels, landing gear, trailer couplings, and drawbar eyes. The supplier reports ISO9001:2015 certification, documented warehouse and finished-product inspection procedures, three quality-control staff, two test-equipment units, and two R&D engineers. It provides 3D software design and multiple forms of customization, supported by CNC, drilling, boring, induction-heating, milling, painting, and shot-blasting facilities. R&D engineers provide technical support during production and after-sales service. The supplier reports domestic mainstream OEM and upfitter supply and exports to several regions, but no Fortune 500 cooperation. Financial information is present only as year labels, so financial credibility cannot be assessed.

Supplier typeThe supplier identifies itself as a professional technical supplier and conducts casting, manufacturing, sales, and export of towing devices and trailer accessories. Its listed product portfolio covers major towing-system components, indicating a specialized manufacturer rather than a general trading supplier.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate. However, product compliance certification is recorded only as “Others,” without naming a specific product standard or certificate.

After-Sales capabilityThe two technology engineers are responsible for technical support during production and after-sales service, and the supplier provides technical support tied to customer requirements. This explicitly supports after-sales technical assistance, although the breadth and response performance of the service are not stated.

R&D capabilityWelch reports multiple utility model patents, national automotive standard-drafting membership, two R&D engineers, and new-product-development responsibilities. It also provides 3D software design services, but reports no available SDK; the evidence still supports product-development and technical innovation capability.

Production capacityThe supplier operates or reports access to casting and a range of production facilities, including CNC lathes, machining centers, vertical lathes, drilling, boring, induction heating, gantry milling, painting, and shot blasting. Written warehouse and finished-product inspection procedures are reportedly followed, with three quality-control staff and two test-equipment units.

Customization capabilityWelch explicitly supports OEM/ODM customization and machining according to drawings. It offers customization from samples, designs, full customization, minor customization, and flexible customization, together with 3D software design services.

Client casesThe supplier states that its products supply mainstream domestic OEMs and upfitters and are exported to Africa, Southeast Asia, South America, the Middle East, and other global markets. It reports no cooperation with Fortune 500 companies, so the customer evidence demonstrates market reach but not top-tier multinational customer reference strength.

Product Q&A

Q:What is the towing capacity of this coupling?

The coupling has a D-Value of 280 kN, a DC Value of 140 kN, and a V-Value of 75 kN, ensuring high towing values for heavy-duty applications.

Q:Is this product certified for international markets?

Yes, it is homologated according to the ECE R55 standard as class 'C50-X' and has obtained ECE certification for export to Europe, Americas, and other regions.

Q:Can the mounting hole spacing be customized?

Yes, the mounting hole spacing is available in 160*100mm or 140*80mm configurations to suit different vehicle requirements.

Q:What customization services do you offer?

We provide full customization, minor customization, and flexible customization options based on customer samples or designs, including OEM and ODM services.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 PCS, allowing for flexible purchasing for both small and large fleet needs.