Import Cast Steel Sk 2105-19 Fifth Wheel Wear Ring — Buy in wholesale FOB from Supplier in China

The Cast Steel SK 2105-19 Fifth Wheel Wear Ring is a precision‑moulded component designed for heavy‑duty towing applications. It is manufactured from cast steel and carries the model designation SK 2105-19 as indicated in the listing. The supplier states that the product complies with EU E‑mark, Australian ADR and ISO/TS 16949 certifications, and that critical production steps have passed the LINK test in the United States. The factory reports a product pass rate of 99.87 percent and supplies original equipment manufacturers such as FAW Jiefang Group and Shaanxi Automobile Group. In the industry, fifth‑wheel wear rings of this type are typically produced from ASTM A216 WCB grade cast iron or equivalent steel, delivering a Rockwell B hardness of 190‑210 typical. Standard dimensions for similar rings range from 300 mm to 500 mm in outer diameter with a wall thickness of 20‑30 mm and a dimensional tolerance of ±0.2 mm. Surface finish is usually specified to Ra 1.6 µm to ensure smooth interaction with the fifth‑wheel coupling, and optional zinc plating is offered for corrosion resistance. The listed component matches these norms, providing a reliable bearing surface for the high‑load cycles encountered in truck‑tractor combinations. Buyers such as fleet operators, trailer manufacturers and aftermarket distributors typically request bulk quantities and may require custom sizes or coating options. The supplier’s catalogue does not disclose minimum order quantity, price or exact lead time, so these details should be confirmed directly before placing an order. Payment terms, incoterms and packaging specifications can be negotiated according to the buyer’s shipping plan and quality‑assurance requirements.

Shijiazhuang Land Auto Component Ltd is based in Shijiazhuang, Hebei Province, China (postal code 050000). The company is listed with a harbour trust tier and currently shows a zero‑percent response rate, indicating that inquiries may receive delayed replies. Its registered address is provided as "Shijiazhuang 050000 Hebei China" and the firm positions itself as a supplier of automotive components for OEMs. The supplier highlights compliance with EU E‑mark, Australian ADR, ISO/TS 16949 and U.S. LINK test standards, suggesting adherence to recognised international quality frameworks. It supplies major Chinese manufacturers such as FAW Jiefang Group, Shaanxi Automobile Group and Sinotruck Group, indicating experience with large‑scale production runs. No additional corporate history, employee numbers or revenue figures are disclosed in the public listing.