China is home to two of the loudest cities in the world – Guangzhou and Beijing. According to a recent article in The Guardian, "Guangzhou, China, ranked as having the worst levels of noise pollution in the world, followed by Cairo, Paris, Beijing and Delhi." New study Global Acoustic Insulation shows demand for acoustic insulation in China totaling $1.5 billion in 2018, making it the second largest national market in the world in value terms behind the US.
Through 2023, demand for acoustic insulation in the Asia/Pacific region is expected to grow 6.3% per annum to $4.3bn, representing 46% of value growth worldwide.
More information about the study is here: https://www.freedoniagroup.com/industry-study/global-acoustic-insulation-3708.htm