For existing models , usually need 7 days to prepare the sample . For new product , it will require about 21 days . If need develop mold , the delivery time will be 30 days-45 days .

We usually charge for sample cost from customer. The sample charge will return back to customer after place mass order in future.

Yes.Sample could be offered after we got clear customer's requrements on the gas hob . Please feel free to contact us.