Four men from Bradford have pleaded guilty for their roles in conspiracy to supply class A drugs.
The men have received a total of more than 15 years in jail.
Aqib Javed, 24, Khalid Hussain, 23 and Usman Chaudrey, 28, all from the Great Horton area, received minimum sentences of between two to four years.
Aqeel Zaman, 27 and of Lidget Green, received a sentence for four years.
Further charges were given to Khalid Hussain and Usman Chaudrey for dangerous driving.
Bradford Crown Court heard that the four men supplied the drugs to customers with a “speedily provided” service by ordering via a mobile phone number.