Langfang Wanmao Heat Insulation Material Co.,Ltd. Address Houligezhuang Village, Langfang, Hebei, China E-mail 394950133@qq.com john.liu@feilongwujin.com wanmao-emilypvc@outlook.com Phone 15128425836 15731698128 13611933398 15731698128 Whatsapp 15128425836