Foshan Haijingsha Refractory Materials Co., Ltd.Building D (residence declaration), Zhoubianlang (local name), Guansuoyuan Shang Village, Wudinggang, Southwest Subdistrict, Sanshui District, Foshan
Guangzhou Dongjingda New Material Technology Co., Ltd.No. 1 Tongzhou Street, Tangmei Village, Tanbu Town, Huadu District, Guangzhou
