The phrase "massive factory" is correct and can be used in written English.
It is typically used to describe a factory that is very large in size or scale. Example: The town's economy was booming thanks to the construction of a massive factory on the outskirts, bringing in hundreds of job opportunities for local residents.
The field was built just north of the massive factory, in an area separated from the plant by railroad tracks.
Just across the road is the massive factory complex where Foxconn makes Apple's iPhones and iPads and some of Huawei's equipment, too.
It also ended the only cooperation project it had with South Korea — a massive factory complex near the border where South Korean companies employed more than 50,000 North Koreans.
One company, Tesla Motors, is attempting to address that problem by building a massive factory in Nevada to build lithium-ion batteries that will go into energy storage packs designed by Tesla for homes and businesses.
The road also takes in a few rough dormitory towns and massive factory complexes, in case you were forgetting that Euskadi pride is built on centuries of toil generating wealth for Madrid's idle middle classes.
Walking around the massive factory buildings of the Degnon Terminal in Long Island City, Queens, now mostly repurposed as warehouses, you catch a glimpse of a lost working-class city only blocks from the gleaming condominiums now rising by the East River.
The massive, factory-style structures were designed by Cyrus W. Eidlitz, the architect of the old New York Times Tower, erected in 1904.
The main industry now in this wretched town is ripping down the totems of the massive factories of the Communist past.
Another difficulty, she added, is that workplaces have changed over the years, from massive factories where thousands of workers could be reached over a weeklong blood drive to more decentralized offices.
Chinese manufacturers built massive factories to make solar panels, drove down the prices for solar panels and forced more than a hundred of its competitors in Europe, US and even within China to go bankrupt.
The plan is to create massive factories that speed up manufacturing by 90%.
