Construction of the “world’s largest smartphone” plant is set to begin in 2012 at Foxconn Science Park in Zhengzhou, China, increasing production lines and bringing in approximately $20 billion USD in revenue over the next year.

The base will be centered on the Foxconn science park in Zhengzhou, the provincial capital of Henan, increasing its current production lines to 95, said the Henan provincial development and reform commission during a conference…The expansion plan, which will cost 7 billion yuan (US$1.1 billion), is expected to bring US $20 billion in sales revenue in 2011.

Foxconn’s Zhengzhou plant that opened last year already employees roughly 130,000 people and is capable of producing about 200,000 iPhones a day. According to MIC Gadget, this could allow Apple to double current iPhone production at the location.

(via WantChinaTimes)