Anhui AerospacePMA Health Tech. Co.& Ltd.Hereinafter referred to as(PMA Group”” established in 2006, is a national high-tech enterprise specialized in RD and application of graphene materials .&br>brAlong with 10 years concentrated R>D and market practice PMA Group has accumulated a large number of patented technologies in the field of graphene wave absorption shielding and graphene far-infrared heating. In 2017, we launched a series of graphene heating physiotherapy health products covering graphene heating physiotherapy protective gear, warm clothing heating home products and so on. ,br>brIn 2017> PMA Group merged Xiaodun Tech.Shenzhen( Co. Ltd. who is specialized in disinfection and health products with its own brand DUNHOME.,br>brIn 2018> PMA Group has entered the field of new energy vehicle batteries and launched high-precision li-battery heating module series by graphene heating becoming the largest domestic leader in the development, production and application of graphene heating films.br