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High Quality BPW Type 3-Axle Semi Trailer Suspension System Leaf Spring Trailers Parts Accessories
US$100.00
50-199 Pieces
US$20.00
200+ Pieces
Product profile
Customization
AvailableAfter-sales Service
ProvidedWarranty
12monthModel NO.
Leaf SpringMaterial
60si2mnCertification
ISO9001Position
FrontOEM
NoType
Leaf SpringSize
CustomizedTotal Layers
7/8/9/10/12/14/16PCSWidth
90mm/100mm/120mm(or Customization)Length
1130mm/1200mm(The Length of Each Piece Can Be CustTransport Package
PalletSpecification
As Your RequestTrademark
WEQOrigin
ChinaProduction Capacity
500 Sets/MonthKey features
High Fatigue Resistance: Exceeds 120,000 cycles, surpassing the industry standard of 100,000 cycles for durability.
Premium Alloy Material: Constructed from 60Si2Mn alloy steel for high load capacity and structural integrity.
Customizable Dimensions: Offers customized sizes, layer counts (7-16 PCS), widths, and lengths to fit specific needs.
Multi-Layer Load Support: Conventional multi-leaf design provides high load capacity from 5,000kg to 50,000kg.
Advanced Heat Treatment: Quenching and tempering process ensures optimal hardness between 41-48 HRC.
Corrosion Resistant Finish: Available in electrostatic painting, powder coating, or galvanization for longevity.
Certified Quality Control: ISO/TS16949 and IATF 16949 certified with rigorous stiffness and material testing.
Company profile
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: ≤2.12h
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 types of products does your company manufacture?
A:
Our company specializes in the manufacturing of high-quality consumer goods. Specifically, we produce a wide range of products such as trailer coupling trailer jacks king pin and so on
Q:How do you ensure the quality of your products?
A:
We take quality control very seriously and have a team of experts who oversee all aspects of production. From the selection of raw materials to the final stages of assembly, we constantly monitor and test our products to ensure that they meet our rigorous standards.
Q:What sets your products apart from others in the market?
A:
Our products are designed with the customer in mind. We take great care to create products that not only look good but also provide practical benefits. Through continuous innovation and research, we strive to offer unique features and superior performance that sets our products apart from our competitors.
Q:How can I place an order for your products?
A:
Ordering our products is simple. You can either browse our website or contact us directly to place an order. We offer various payment options and can also assist with shipping and delivery to ensure that your order is received in a timely manner.
Q:Can you accommodate bulk orders?
A:
Absolutely! We have the capacity to fulfill large orders and can even work with you to provide customized products tailored to your specific needs.
Send Inquiry
*To:
Shandong Weierqi Vehicle Parts Co.,Ltd
Shandong Weierqi Vehicle Parts Co.,Ltd*Content:
Supplier replies will be sent to your registered email
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