Three Dragon Australian Volume door

1.Light. Shuanglong mute rolling doors are used the unique spring system which makes the doorshave good banlance in any position, even a child can easily switch. 2.Quiet. Shuanglong mute rolling doors are adopted the specific mute system, which keeps the doors quiet at any time, even more, provide good lubrication. 3.Fast. Shuanglong mute rolling doors are adopted the imported power system, which makes the doors be open and close very quickly, and it can be adapt to the concept of time of modern. Technical Specification. The anticorrosion ability of any coating steel mainly relies on the composition of each layer. Regardless of carrying on the experiments in America or Australia’s atmospheric environment, they have both proved: the anticorrosion ability of aluminium zinc steel is four times higher than the same thickness galvanized steel. 1).Ingredients ,high intensity aluminium zinc steel 2).Coating treatment, Special anticorrosion chemical plated film processing 3).Primer, Coating 5um antirust primers 4).Steel surface paint, Painting 20um coating on the surface of special custom system steel 5).Steel back paint, Painting 10um with a special formula gray paint on the back layer 6).Lusterbright color, anticorrosion 7).Seamless steel plate is once molded, unlike the gusset plate of traditional rolling doors, it isn’t out of shape easily. 8).Sealing joint strip has good waterproof,dustproof functions, and it can strengthen the sealing performance of doors. 9).Special locks, We design the locks according to the normal height of people, which saves the stooping pain of traditional design. 10).TelequipmentUsing the roll yards,encryption technology can make the kinds codes reach one million, and make remote distance be up to 50 meters, which is more secure and convenient. 11).External accessory,Many accessories can be connected through the interface board, which makes the functions of more complete, satifying the various needs of customers. Torsion spring Features: 1)The highest grades of springs are used in the fabrication of every door spring we carry. 2)Every spring maintains for maximum lift circle Hardwearing Nylon Drum Wheel Poly Glide Poly glide is applied to ensure smooth and quiet operation of rolling shutter.