... manufacturer - Andy Zheng from Liaoyang Guoxing Magnesium Manufacturing Co., Ltd Dear my friend: Refractories series procucts manufacturer ... - Andy Zheng from Liaoyang Guoxing Magnesium Manufacturing Co., Ltd Our main products are: Refractories for Sintering . ... : http://www.lygxmy.comLiaoyang Guoxing Magnesium Industry Co., Ltd. is located in Liaoyang Economic Development Zone, ...