We are a trading company established in Shanghai- China. We are looking for a surgical mask manufactures to cooperate with. We need surgical masks three-layer 3PLY 3 layer here from such materials PP Spunbond Non Woven Fabric (first layer) PP Meltblown Non Woven Fabric (second layer) PP Spunbond Non Woven Fabric (third layer) Bacterial Bacterial Efficiency: 98% Particle Filtration Efficiency: 98% q 0.1 micron. ASTM LEVEL 1. Low Fluid Resistance: 80mmHg. Bacterial Filtration Efficiency: >98% Particle Filtration Efficiency: >98% Breathability - Delta P: Show More