Click on the link to know their real face
https://www.trustpilot.com/review/dd4.com
Wrong phone numbers provided on their own website.
In one email they said we are in the business from last 4 year in 2nd email they said we are from many years.
In one email they said we are from Malaysia in 2nd email they start talking about Chinese system.
They got very low rating on Google so that's why they blocked Google reviews