It works. Huamei Wolong specializes in producing long-life waterproof and thermal insulation quilts, and has a special technical research and development team, which can be customized for production. Many farmers in Langfang Base of China Academy of Agricultural Sciences, Fangshan Agricultural Research Institute of Beijing and Tai 'an Campus of Shandong Agricultural University have used gorgeous insulation quilts in Wolong greenhouse.
20 13, Huamei Wolong "long-life waterproof thermal insulation quilt" won the national patent. More details can be found in official website.