What specifications or models are available?

Do you support customized size, material, color, or process?

What industries or applications are your products suitable for?

What is the service life or performance advantage of the product?

What is the minimum order quantity (MOQ)?

Do you offer tiered pricing?

Does the price include packaging, shipping, or taxes?

Can you provide samples?

Are samples charged? Are they refundable?

What is the sample lead time?

What is the production lead time after ordering?

Do you support urgent or expedited production?

Can you provide production progress updates?

Do you have a quality control process?

Do you support third-party inspection?

How do you handle quality issues?

Is there a quality warranty period?