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Around 30 percent of the respondents said that they have no preference between physical and electronic books. More than 25 percent of the respondents said that they preferred reading electronic books.

Armed Police and militia carry an injured person on Wednesday after Tuesday night's earthquake in Sichuan province's Jiuzhaigou county. Armed Police and the PLA Ground Force also were mobilized. WANG QIN / CHENGDU ECONOMIC DAILY VIA REUTERS

Apple also introduced the iPhone 8 and the iPhone 8 Plus, which resemble the iPhone 7 line but have a glass back for wireless charging.

As Chinese consumers' demands continue to increase, we must rise to this challenge by bringing better and more innovative products to the market, as well as by helping our customers to meet those higher expectations through their own products by leveraging 3M innovation.

Apple is stepping up efforts to boost revenue from services, after a continuing decline in its smartphone sales in the country. China gained the top spot for iOS App Store sales in 2016 and the country's iOS revenue hit more than billion in the fourth quarter of last year.