Bi Lan Tian (TianJin) Building Materials Technology Development Co., Ltd. Adireshi Daki 203 No.13 Hanyar Zhiye Xiazhuzhuang Titin Wuqing, Birnin Tianjin Imel shijane83@gmail.com shimaojin@aliyun.com Waya Talla: 022-82121398 Taimako: 15222186200