... efficiency 99.7%,transmittance 43.5% Circular 3D Glasses, Circular 3D Glasses1)Product structure:Metal frame,thickness 0.72mm TAC polarized lenses and have ... high quality showing in phrase program and development Production capabilityPaper 3D glasses:600,000PCS/dayPlastic 3D glasses:200,000PCS/dayActive 3D glasses:50,000PCS/day Metal frame 3D glasses