Such a term is commonly known as mass production.
That would be manufacturing or production.
Mass Production
Mass production.
bought goods in large quantities
A wholesaler.
Wholesale businesses buy goods in large quantities form producers to sell in smaller quantities.
To move large quantities of goods in a single trip.
In 1904 Frank P. Mitchell and Charles M. Ness teamed up and opened a sporting goods store in Philadelphia, PA. They were will known for making handcrafted sporting goods equipment.
A wholesaler is a person who sells goods in large quantities to be retailed by others.
Wholesaling is the economic activity of selling goods in large quantities to retailers.
Direct retail trade.
Bulk purchasing or 'mass buying' is the buying of large quantities for a lower per unit price.
Mass production