Profile Dhaval Patel Marketing Manager Vishwas Automation Manual push and pull Shutters are highly durable and low maintenance rolling Shutters. These Shutters work as a steel wall to protect against theft. Last activity: on 26/06/2017 Joined: on 26/06/2017 http://www.vishwasautomation.com Design quotient Earn DQ points by participating in a challenge. What are (DQ) Points? DQ points are a measure of your contributions, they correspond to how active you are in the Research, Ideas and Evaluation phases of a challenge.