Standard: China:GB2626-2006 European: EN 149 price (RMB) 9.59 Terms: 1. quotation terms: EXW Changsha (Include tax). 2. The quotation' validity is 7 days. 3. 1 million for disposable medical mask(non sterile) and 100000 pcs for KN95. 4. Lead time: 7 days for disposable medical mask(non sterile) and after April for KN95. 5. Payment terms: TIT 50% Deposit, 50% balance before shipment after inspection.