Roller blind is used to effectively block the light into the room, and self-regulate the temperature of roller blinds. Roller blind can be applied according to the different needs of various heavy architectural decoration, such as villas, office buildings, commercial buildings, high-end plant shade, etc., are using roller blind to embody the concept of quality of life of leisure. Roller blind agencies are mainly composed of accessories and awning fabric, awning fabric which was divided: fiberglass fabric and polyester fabric. PVC coated fiberglass fabric is mainly glass fiber; polyester PVC coated polyester fabric is polyester fiber. Energy-saving insulation, good insulation properties, so that the indoor temperature is more comfortable, thereby reducing air conditioning usage, improve energy efficiency, saving energy costs while improving the Earth's environment. Regulation of natural light, so that the sun's rays resulting from diffuse transmittance fabric, so that glare is filtered into a soft diffused light, eliminating the interior of a computer or television screen glare and improve people's visual comfort. Sun shading roller shutters through different actions can be controlled or completely block light into the room, so as to achieve your home comfort requirements.