Inquiry about Fire Retardant Curtain Fabric NEW

We are sourcing fire retardant curtain fabric for a large indoor sports facility. Product requirements: - Material: Polyester, fire retardant - Weight: 250-500 gsm - Width: 280-300 cm (wide roll preferred) - Colour: Black - Finish: Suitable for draping, not stiff Fire certification: - EN/BS fire rating (certificates required) - Suitable for commercial/public indoor use Order details: - Initial order: 500-1500 meters - Price per meter quoted Shipping: - FOB and CIF pricing - Production lead time Samples: - Confirm availability This fabric will be used for acoustic treatment (hung loose), so softness and drape are important. We are looking for a reliable long-term supplier.