Kolon Industries says that the company is supplying colorless polyimide (CPI) films to Xiaomi - used as cover windows for Xiaomi's latest Mi Mix Fold smartphone. Xiaomi sold over 40,000 such smartphones within one minute, and the company hopes to ship around 500,000 units in total.

Xiaomi Mi Mix Fold photo

Kolon says it is the only company that produces such CPI films, and the company says it also supplied films for Huawei's Mate X, Motorola's Razr and Lenovo's Thinkpad X1 foldable laptop - and will also supply to Oppo and Vivo for their own foldable devices.

Samsung Display is moving aware from CPI films to ultra-thin glass, which it says is more durable. According to UBI, UTG will be used in the majority foldable devices. Kolon however, sasy that CPI films are more cost effective, and are less prone to cracking. The company expects fast growth in the years ahead, around 60% annually, for its CPI films.

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