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Custom Mould Development · Guide

Mould Ownership, Exclusivity and NDA: 4 Terms to Settle

Reviewed September 7, 2026 · 2 min read

Paying for tooling and owning it are different things. What ownership, exclusivity, an NDA and a transfer clause each cover, and what to agree before steel is cut.

Buyers assume that paying for a mould makes it theirs. Ownership, exclusivity, confidentiality and the right to move tooling are four separate promises, and a quotation that mentions none of them has settled none of them.

The 4 Terms and What Each Covers

TermWhat it promises youWhat it does not cover
OwnershipThe physical tooling belongs to you once paid.Whether the factory may run your shape for someone else.
ExclusivityWe do not offer your design to another buyer.Where the mould sits or who may hold it.
NDAYour drawings and plans stay confidential.Anything about the mould itself or its use.
Transfer rightYou may move tooling to another plant.Whether the receiving machine can actually run it.

Why Ownership Alone Is Not Enough

A mould you own can still sit in a factory that produces your shape for a competitor, unless exclusivity says otherwise. The two terms answer different questions, and buyers routinely ask for the first while meaning the second.

Ask for both explicitly. SGSBOTTLE states that the mould stays your property and quotes exclusivity terms alongside it, for projects running on the 14 lines across Shandong and Xuzhou.

What an NDA Should Cover Before Drawings Move

Sign it before the first file, not after the quotation. By the time a mould shop has your drawing, your design, your capacity and your timing are all in someone else's hands.

Cover three things: your artwork and geometry, your volumes and launch dates, and the fact of the project itself. SGSBOTTLE signs on request before drawings are exchanged, so a 750 ml (25 oz) launch stays confidential while you negotiate.

A CNC machine cutting a bottle cavity into mould steelTerms belong in the agreement before the steel moves. SGSBOTTLE tools projects for 14 lines in Shandong and Xuzhou.

The Transfer Question Nobody Asks Early

Moulds are cut for a particular machine type and section spacing. A set that runs perfectly on one line may need rework or replacement on another, so a transfer right can be real on paper and expensive in practice.

Ask what machine your tooling is cut for. Knowing that at the start tells you what a future move would actually involve, rather than discovering it during a supplier change.

What to Get in Writing

Five points cover most disputes. Who owns the tooling and from when. Whether your design is exclusive and for how long. What happens to the mould if you stop ordering.

Then who pays for repair and replacement during the campaign, and whether you may take the tooling elsewhere. A 330 ml (11 oz) project with all five answered has no surprises left in it.

What Goes on Your Enquiry

Your drawing or concept, the capacity in ml and oz, your volumes, and whether you need an NDA before files move. SGSBOTTLE comes back with the tooling quotation, the ownership and exclusivity terms, and the NDA for signature.

Questions Buyers Ask Before They Order

Who owns a glass bottle mould after you pay for it?

That depends on your agreement, not on the invoice. At SGSBOTTLE the mould stays your property once you have paid for it, but many suppliers treat tooling as their own asset, so settle the point in writing.

What does exclusivity mean for a custom bottle?

That the factory will not run your design for anyone else. Ownership and exclusivity are separate promises, and a supplier can hold your tooling while still agreeing not to sell your shape elsewhere.

Do glass factories sign NDAs?

Reputable ones do. SGSBOTTLE signs an NDA on request before drawings are exchanged, which protects your design, your capacity figures and your launch timing while the project is still confidential.

Can you move a mould to another factory?

Only if your agreement allows it and the tooling fits the receiving machine. Moulds are cut for a specific machine type, so a set from one plant may need rework before a 500 ml (17 oz) design runs elsewhere.

Bottles and Jars This Applies To

Start the Project With the Numbers in Front of You

Drawings, decorated samples, mould pricing, test reports and the loading plan for your cartons. Every figure on this page is on the quotation before you commit a container.

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