Quotation Management for Manufacturing: Part Prices That Still Make Sense a Year Later

In most industries the quotation describes a commercial offer. In manufacturing it describes a part: what it is made of, how it will be made, to what drawing, in what quantities, in what packaging and delivered on what terms. The price is the last line and the least interesting one, because every disagreement that follows will be about one of the other fields.

Drawing revision is the field nobody treats seriously enough

A quotation is always against a revision, whether or not it says so. Customers issue revised drawings routinely during development, and a supplier who quoted against an earlier revision is frequently held to that price against a part that has since gained a tolerance, changed a material or added an operation. Putting the revision on the quotation costs nothing and converts an uncomfortable conversation into a procedural one: the drawing changed, so the quotation is superseded.

Volume is a specification, not a preference

The same part at five hundred pieces and at fifty thousand a year is two different manufacturing problems with different process routes, different tooling economics and different piece prices. Quoting a single price without stating the volume it assumes is the most common way a supplier ends up producing at a loss while being entirely in the right about their costing.

Material weight adjusted for yield, at a rate taken on a specific date. Bought-out components at supplier quotes that carry their own expiry. Process cost operation by operation, using machine hour rates that already absorb plant overhead. Labour, rejection allowance, packing, freight, margin.

That build-up usually exists once, in a spreadsheet, on the estimator computer, and is never seen again after the quotation is sent. The consequence shows up months later in two places. A buyer pushes on price and the salesperson has nothing to argue with except a discount. And when the enquiry is lost, nobody can tell whether it went on piece price, on tooling, on lead time or on technical evaluation, so the next quotation is prepared with exactly the same blind spots.

Tooling, dies, moulds and fixtures are real capital, and there are only three honest ways to quote them. Charge them once. Amortise them across a committed volume. Or waive them against a stated annual quantity. Each is defensible and each should be written down with the volume it depends on.

What happens instead, very often, is a fourth arrangement that nobody names: the tooling is buried in the piece price against a volume that was mentioned in a meeting. If the volume arrives, the arrangement worked. If it does not, the tooling is unrecovered, and there is no document anywhere saying it was supposed to be. The only defence is the boring one, which is stating the treatment and the amortisation volume on the quotation itself.

Manufacturing quotations usually need more than one internal opinion before they go out. Costing or finance on the margin, planning on whether the lead time can be met, engineering or quality on whether the specification is achievable at the assumed process route. Where a first order into a strategic account is priced below the usual target, it typically goes higher again.

How those authorities are structured is a matter for the business. What a record layer should do is keep the trail rather than pretend to be the rule: who reviewed it, what was approved, on what basis, and which version was issued afterwards. That trail is what makes a margin review at the end of the year worth holding, and it is what protects an estimator who priced correctly against a decision that was taken above them.

Industrial RFQ cycles are long, and most of the waiting is genuine. Buyers work to sourcing calendars, technical evaluation runs in parallel with commercial evaluation, and a sample or first article submission often sits between the quotation and any decision. Follow-up that ignores this and simply asks for an update every fortnight adds nothing.

Useful follow-up tracks the two threads separately. On the technical side, confirm the sample schedule, the inspection expectations and the documentation the first lot will carry. On the commercial side, know the sourcing decision date, know who else is quoting, and know when your material rate validity expires so the conversation about extending it happens before the number goes stale rather than after.

A purchase order, and in development work frequently two of them: a tooling order first, then a part order or a blanket order against which schedules are released. That is the point at which the record moves stage with the accepted version, the revision and the tooling treatment carried forward into planning. Bills of material, routing, production scheduling, inventory, dispatch documents, invoicing, tax and your accounts stay in the ERP and finance systems that already run the plant. What stays here is what those systems never hold: the enquiry, the build-up behind the price, the versions, and the reason the ones you lost were lost.

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