What are the lead times for production?

The peak season lead time is one month, while the off-season lead time is within 15 workdays.

What payment terms are accepted?

Accepted payment terms include LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

Wholesale of Source Factories 2" 3.5" King Pin Kit De Los Fabricantes

Name: Wholesale of Source Factories 2" 3.5" King Pin Kit De Los Fabricantes
Brand: Shandong Darong Machinery Co., Ltd.
SKU: 2023285702

Shandong, ChinaShandong Darong Machinery Co., Ltd.

US$49.10

50-198 Pieces

US$47.50

199-299 Pieces

US$40.90

300+ Pieces

Sample price:US$55.30/piece.Request sample

Product profile

Customization

Available

Loading Weight

40t

Place of Origin

Shandong, China

Model NO.

DR-2"/3.5"

Use

Trailer Parts

Size

Diameter2.6

Product Name

King Pin

Height

140mm

Certification

ISO/TS16949, CCC, DOT, ISO, CE

ABS

Without ABS

Condition

New

After-sales Service

24h

Warranty

100000km

Type

Trailer King Pin

Transport Package

Container

Specification

2"/3.5"

Trademark

DARO

Origin

China

HS Code

87169000

Production Capacity

1000/Day

Key features

High Strength Alloy Steel: Forged from high strength and high toughness alloy steel with excellent heat and corrosion resistance.

Multiple Shape Options: Available in mushroom, cross, double spoon, and L types; welding or assembly styles selectable.

Certified Quality: Complies with ISO/TS16949, CCC, DOT, ISO, CE standards and ISO9001:2015 quality system.

Customization Support: Flexible customization available for products according to specific customer needs.

Heavy Duty Design: Designed for trailers to provide stable traction, preventing falling off or breaking for safety.

100% Inspection: Finished products undergo 100% visual and function inspection to ensure quality.

Company profile

High Repeat Buyers ChoiceExperienced TeamSelf-brandedStandardized quality control

Shandong Darong Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Flexible customization CertifiedExport Year: 4 years CertifiedNearest Port: QingdaoAverage Response Time: ≤5.75h

AI-Powered supplier vetting

SummaryShandong Darong Machinery Co., Ltd. is a China-based commercial-vehicle axle and accessories manufacturer established in 2001. The supplier integrates R&D, design, production, sales, and service, and reports five production lines, 8 R&D engineers, documented quality and complaint procedures, and ISO9001:2015, ISO45001:2018, and ISO14001 certifications. It offers extensive customization and ODM services, has supplied OEM services to well-known brands, and reports order fulfillment within 15 working days in both peak and off-peak periods. However, it has no overseas agents, branches, warehouse, or showroom, and no valid manufacturing-capacity contract with related subcontractors. The provided information does not establish financial strength or specific customer identities.

Supplier typeThe supplier is identified as Shandong Darong Machinery Co., Ltd., a China-based manufacturer of axles and accessories for commercial vehicles. Its operations cover R&D, design, production, sales, and service, indicating an integrated manufacturing supplier rather than a trading-only entity.

CertificationsThe supplier reports holding ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. These explicitly documented certifications support its quality, occupational-safety, and environmental management credentials.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, and it maintains in-stock service capacity. However, it reports no overseas warehouse, showroom, agent, or branch, and the stated overseas-service country count is zero, limiting demonstrated local overseas support.

R&D capabilityThe supplier reports new products during the past year, eight R&D engineers, independent innovation activity, and integrated R&D and design operations. It also provides ODM services, although no SDK is available; the evidence nevertheless supports active product-development capability.

Production capacityThe supplier lists extensive manufacturing equipment and five production lines, has finished-product inspection instructions that are uniformly followed, and reports in-stock capability with fulfillment within 15 working days in both peak and off-peak seasons. A stated lack of valid contracts with related subcontractors is a supply-chain control weakness, but the direct production evidence is positive.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same range is reported across the R&D/design and production capability records, directly supporting broad customization capability.

Product Q&A

Q:What materials are used for the king pin?

The king pin is made of high strength and high toughness alloy steel, forged by cold heading, offering high rust and wear resistance.

Q:What certifications does the product have?

The product holds ISO/TS16949, CCC, DOT, ISO, and CE certifications, and the company has ISO9001:2015 quality system certification.

Q:Is customization available?

Yes, flexible customization is available. Customers can select welding or assembly types and various shapes like mushroom, cross, or double spoon types.

Q:What is the warranty period?

The warranty covers 100,000 kilometers for the product.

Q:What is the minimum order quantity?

The minimum order quantity is 1 piece.