In 2001, China joined the WTO, the sales of insulation materials in 2015 was 58.6 billion yuan, 64.3 billion yuan in 2016, an increase of 9.7%. By the end of 2018, the sales of insulation materials had exceeded 200 billion yuan, and the sales quota of epoxy boards had reached 100 billion yuan.
In 2018, the application of epoxy board in the construction industry has reached 20 billion yuan, and the next five years will show an annual growth trend of 8 billion yuan. The market share of epoxy boards in daily consumption and other areas rose to 15% and 25% respectively.
As of 2019, high-speed rail, bullet trains and subways have become China's global business cards. Among the insulation materials used in rail transit, the proportion of epoxy glass fiber board has reached 50%, reaching 40 billion in 2018, and it is still rising.