Leading chip manufacturers including San’an Optoelectronics (San’an Opto) and HC SemiTek Corp. (HC SemiTek) have been turning from 2 inch to 4 inch epitaxial wafers, which industry insiders anticipated to be the upcoming trend in 2014.

China’s Jinli city has received RMB $ 2 billion in investment to establish a factory in the city’s economic zone for production of epitaxial wafers. It is expected to have a gross production of 300 million by 2014 becoming the biggest LED industrial base in northern Chin