01 · RFQ clarification
Capture the wheel center bore, PCD and offset where relevant. For wheel weights, capture the flange profile, mass increments and pack count. Flag dimensions that depend on an OE cross reference.
Procurement steps
CEMB China sourcing services
We take a marked drawing or parts list and coordinate supplier quotations, sample checks and shipment documents. Buyers approve the specification and commercial terms.
What the desk coordinates
02 · Supplier comparison
Place every quote on the same basis: drawing revision, material, MOQ per SKU, tooling, pack count, price validity and the named Incoterm location. Keep lead time conditional until the supplier confirms the specification.
03 · Sample and inspection
For ring samples, agree on bore, pilot, chamfer and seating checks. Record the gauge, measurement datum and acceptance limit in the instruction sent to the inspector. A radial runout result is useful for comparison when the fixture and mounting reference match. The buyer authorizes any departure from the drawing.
04 · Dispatch coordination
Match carton marks, lot labels and counts to the packing list. Identify which parties prepare export paperwork, carry the shipment and handle clearance.
Questions at quote review
Can one quote cover rings and wheel weights?
One supplier may reduce handoffs. Separate specialist quotes can give better coverage when flange or bore sizes vary. Compare pack counts, traceability and consolidation costs before deciding.
Who issues inspection or test records?
The supplier or commissioned inspector provides the record. Request the exact part revision, lot, test method or gauge and acceptance criteria. CEMB coordinates review and records open items.
When does the quoted lead time begin?
Ask the supplier to identify the trigger, such as drawing sign-off or deposit receipt. Track sample approval, production release and dispatch as separate dates.
A comparable quote starts with the brief
Before · mixed assumptions
An inquiry that only says “66.6-to-57.1 mm rings” can produce offers with different chamfers, pack counts and terms. Put the unknowns on the quote sheet as open items.
After · common quote basis
Every supplier sees the same bore pair, seating drawing, finish, quantity and target market. The comparison separates the quoted part from any tooling, packing and delivery assumptions. A standard bore pair may simplify replenishment. A custom ring can address different seat geometry but introduces a drawing review, sample and possibly tooling.
Share a quote brief
Send one representative SKU or describe the mix by part and quantity.