1.good design 2.we achieved ISO9001:2000 and ISO9001:2008 certification 3.high scientific and technological content double layer blind 1.good design2.we achieved ISO9001:2000 and ISO9001:2008 certification3.high scientific and technological content Shading effectThe first layer is semi-shading,the second layer is full shadingtypeRoller blindmaterialpolyester,fabrics,acrylic,material or customers ...