The pricing of an upcoming IPO involving Chinese electronics businesswomen Zhou Qunfei values her stake in touch-screen glass supplier Lens Technology at 13.6 billion yuan, or $2.2 billion, according to a filing this week.

Zhou, the company’s chairman, hold 592 million shares. The pricing is 22.99 yuan per share.  She co-founded the business with husband Zheng Junlong, who has another 7.9 million shares.

Lens Technology, reportedly a supplier to Apple, was recently among 24 companies to receive approval from the China Securities Regulatory Commission to list in the country.