Poly Film Investment Co Ltd, a wholly owned subsidiary of State-owned Poly Culture Group Corp Ltd, formally introduced its internally developed Imax projection system, known as PolyMax, on Tuesday at the 16th Shanghai International Film Festival.

Poly hopes the system will challenge industry giant IMAX Corp.

About 10 theaters owned by Poly have been equipped with PolyMax screens. The theaters are in various cities, including Beijing and Shenzhen, according to Liu Jianfeng, director of public affairs at Poly Film Investment Co Ltd.