office roller curtain 1.material:30% polyester,70%vinyl-coated polyester yarns 2.width:200/250cm,thickness:0.5mm 3.fireproof. ... ,café,wedding,office,outdoorQualityFull inspection before and after delivery of the products on an export standard for delivery in ... a person with fast rhythm, high efficiency, unique sense of the operating system, fluctuation height can optional positioning, reliable ...