Your Factory Says Your Product Design Can’t Be Changed. What Should You Ask Next?

“Sorry, We Can’t Do That.”

You’ve found an existing product and want to change part of its design. You send a reference image to the factory. The reply is short: “Sorry, we can’t do that.”

Does that mean your idea is impossible?

Not necessarily. Before abandoning it, ask the factory what “can’t” actually means.

Is It a Technical Limitation?

A new exterior might interfere with the space needed for a motor or battery. It could affect assembly, sealing or performance.

Ask which component or requirement creates the conflict. Then you can discuss whether another design direction preserves the part of your idea that matters most.

Is It a Tooling Limitation?

The factory’s existing mold may not support your proposed shape. That doesn’t automatically rule out development, but a new mold can add design work, prototyping and cost.

In this case, the conversation should shift from “Can you make it at the old price?” to “What would a new tooling route involve?”

Is It a Commercial Limitation?

A change can be technically possible but unattractive to a factory at the proposed order quantity. Setup, material minimums or development resources may be the real obstacle.

Ask which requirement drives the MOQ and whether a simpler first-stage design is an option.

Or Is It a Supplier-Capability Limitation?

Factories have different engineering and production resources. A supplier that efficiently makes established designs may not offer the product-development work your idea needs.

One factory’s refusal is not proof that the entire concept is unworkable. Equally, changing suppliers doesn’t guarantee success. The reason for the refusal still needs to be understood.

Turn a Vague “No” Into a Useful Question

Try asking:

“Is the issue technical feasibility, existing tooling, your project minimum or something your factory doesn’t currently support?”

Once the limitation is clear, you can decide whether to revise the design, change the project scope or explore another development resource.

Got a design your current supplier won’t support? Share the reference and the factory’s feedback with Lea.