ZHENGZHOU, Oct. 23 -- Apple CEO Tim Cook wore production line work clothes and shoe covers during an inspection of a Foxconn iPhone workshop on Wednesday in Zhengzhou, capital of central China's Henan Province.

Cook was accompanied by Terry Guo, founder and chairman of Taiwan tech giant Foxconn, and a number of Henan officials.

During the two-hour inspection, Cook listened to reports on construction of three Foxconn workshops in Zhengzhou and production of Apple iPhone products at the factories.

Cook's visit is aimed at supervising the production of its newly launched iPhone 6 at the Foxconn plants. No details on orders or production progress have been available from the factories.

Foxconn's three workshops in Zhengzhou together employ 300,000 workers and are dedicated to producing Apple's iPhone products. Their output target for this year is 120 million iPhones.