Address: 4 Golshan St., Khorramshahr St., Sohrvardi North Street, Tehran.

Contact number: 88543555 (+9821)

Direct communication with the public relations unit:

Contact number: 5167418 (+98904)

Communication with the sales unit:

Contact number: 88500300 (+9821)

Communication with the research and development department:

Email: info@dorto.co

Communication with the export unit:

Contact number: 1142956 (+98912)