This is a sources sought for two check valves. Please provide a rough order of magnitude. Looking for general pricing for production and start up costs if possible. This is a market research only, wit... This is a sources sought for two check valves. Please provide a rough order of magnitude. Looking for general pricing for production and start up costs if possible. This is a market research only, with no assurances of an actual solicitation and subsequent award. The Goverment will not pay for this information.