Capability Questions
The first question is not whether the supplier is a factory or trading company. The better question is whether they have made this exact product type, material, logo process, and packaging format before.
Buyers should ask for production photos, similar case examples, or a clear explanation of the workflow. A supplier that cannot describe the process clearly may still be able to quote, but may not be able to manage the custom details.
Quote Preparation Questions
Ask what information the supplier needs to quote accurately. For many custom products, a proper quote requires dimensions, material, color, logo file, decoration method, packaging, order quantity, destination country, and delivery deadline.
This protects both sides. A supplier who quotes without asking for these details may later revise the price or remove important services from the scope.
Sample and Approval Questions
Ask how long the sample takes, whether it is handmade or production-line made, which parts can still change after sample approval, and whether a golden sample will be kept for mass production comparison.
The buyer should also ask what happens if the first sample is not correct. Some suppliers include one revision, while others charge for each new sample.
Quality and Delivery Questions
Ask where quality checks happen, who checks color and logo placement, whether third-party inspection is allowed, and when final inspection should be scheduled.
For delivery, ask for the production calendar instead of only total lead time. A calendar reveals material purchasing, tooling, sample approval, production, packing, inspection, and shipping windows.
Outsourcing and Subsupplier Questions
Many custom products involve several production steps. One supplier may handle assembly, while printing, packaging, metal parts, plastic parts, textile parts, or surface finishing may be outsourced. This is not automatically a problem, but the buyer should know who controls each step.
Ask which processes are done in-house, which are outsourced, and who is responsible if an outsourced step causes delay or defect. This question is especially important for private label products, multi-material goods, custom packaging, and products that require special decoration methods.
Risk Questions Before Deposit
Before paying a deposit, ask the supplier what could cause price changes, lead time changes, sample failure, or production rejection. A capable supplier should be able to name realistic risks instead of promising that everything is easy.
Useful answers may mention material availability, color matching, artwork resolution, mold modification, packaging proofing, holiday schedules, inspection timing, or freight capacity. These answers help the buyer plan the order instead of discovering the risk after money has been paid.