Yesterday, it was learned from the Municipal Commission of Economy and Information Technology that Chongqing Hongdai Technology Co., Ltd. is the first in China to develop a safe and non-toxic new type of polypropylene foam material. Currently, the polypropylene foam energy-saving and environmental protection material industrialization project led by this enterprise has passed the expert group project review. It is reported that the company's trial production samples have been recognized by enterprises such as Changan Ford and Kangshifu. In addition, the company will invest in the construction of polypropylene foam material industrialization projects in the southwest region.