Products: simple manual aluminum shutters, safe. Turning the manual switch so long as you can make in the middle of the blades rotate freely, you can put away or put down the blinds to vertical or horizontal position, slide down the blinds are put away, when sliding up blinds will be put down. Each manual consists of aluminum shutters composed of two parts the main member and deputy member, the main piece part refers to the material containing aluminum frame, leaf; deputy member section includes a manual switch and a chain guide. Use: Manually aluminum blinds effectively reduce interference outdoor dust, maximum ventilation, so the product can be used in factories, schools and other buildings. Manually aluminum shutters as a new multi-purpose building products, with a wide range of adaptability. Although traditional fixed shutters characteristic aspect, but the performance of a single change can not meet the needs of various buildings. Note: 1, manual aluminum blinds when long-distance transport to be packed in cartons, packing required when the blinds away, between shutters and boxes with bubble film infill. 2, when the transport shall not diagonal, longitudinal direction should be the same as the direction of movement of transport vehicles, while measures should be rain. 4, should be careful when handling, light to move positive place to prevent damage. 5, when using the manual switch slowly and evenly force, avoid rapid rotation, otherwise it will affect product life and functionality. 6, please keep the external cleaning of the product, non-professionals should not disassemble the product, in order to avoid unnecessary trouble.