Langfang Wanmao Heat Insulation Material Co.,Ltd. Adresse Houligezhuang Village, Langfang, Hebei, Kina E-post 394950133@qq.com john.liu@feilongwujin.com wanmao-emilypvc@outlook.com Telefon 15128425836 15731698128 13611933398 15731698128 Hva skjer 15128425836