Polyurethane foam, more stable pressure box, insulation performance is better.

聚氨脂高压发泡，箱体更稳固，保温性能更好。

youdao

Polyurethane foam, more stable pressure box, insulation performance is better.

聚氨脂高压发泡，箱体更稳固，保温性能更好。

youdao