Langfang Wanmao Heat Insulation Material Co., Ltd. Seòladh Baile Houligezhuang, Langfang, Hebei, Sìona Post-d 394950133@qq.com john.liu@feilongwujin.com wanmao-emilypvc@outlook.com Fòn 15128425836 15731698128 1361 1933398 15731698128 Whatsapp 15128425836