CHIMEI Corporation (Chinese: 奇美實業; pinyin: Qíměi Shíyè; CMC) is a Taiwan-based performance materials company.

It also produces advanced polymer materials, synthetic rubbers, and specialty chemicals.

Chi Mei Group was the largest shareholder in publicly listed CMO.

Though CEO Douglas Woo has maintained the confidentiality of the ownership of the private Westinghouse licensee, they admit a significant vertically integrated relationship exists between the two.

[4] In 2001, the CHIMEI Group along with IBM Japan set up International Display Technology, which it subsequently sold to Sony in 2005.