Ammonium nickel(II) sulfate hexahydrate 500GLiên hệ: 0944.999.025/0165.611.0765 (có zalo) skype: huonglan1302@gmail.comEmail: kd01.bhl@gmail.comWebsite: http://bhl.vn/vn/h/c-tinh-khiet/http://hoachatvanxuan.com