... )Fit forSLLP 55,60,64,68,77,78 double layer slats )Patented by SHINILION , COPY RIGHT IS RESERVED (ZL200630048045.2) Roller ... , factory gate Guarantee period 2 Year(motor),15 years(aluminum slat) 2. Aluminum rolling door Quality Control:1) Material Select:Using 97 ... keep shape and color period: 15 Years 3. Certificates of Aluminum rolling door:1) ISO9001:2008 International Quality System;2) ISO14001 ...