The commonest mistake is comparing two offers that share a name but not a build. Two quotes for 18 mm poplar plywood can differ in core species, core grade, joining, glue and tolerance, and the price gap follows. Put both offers on one specification, line by line, before you compare them.
Other mistakes repeat: E0 written in the glue box (E0 is an emission class; the glue system is its own line), a boil test asked for without its method, or no core species at all. We read every RFQ against these points and come back with questions before we price.
Price follows the build. Core species and grade, stitching, face species and grade, the glue system, sanding and tolerance, and the mix of thicknesses in the container all move it. We quote per cubic metre or per sheet for your exact specification, and Lisa replies within hours.
Before bulk production you approve a sample. We send free samples made to your specification, and the grade of the whole order is held to the sheet you approve.