mass production

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The manufacture of goods in large quantities, often using standardized designs and assembly-line techniques.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The process of manufacturing products on a large scale.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the production of large quantities of a standardized article (often using assembly line techniques)