Ụlọ ọrụ ahụ dị na obodo Shifang mara mma na ọgaranya nke Sichuan Province na ndịda ọdịda anyanwụ China.Obodo Shifang bara ụba na akụrụngwa phosphate na pụrụ iche na ọnọdụ okike.Ọ bụ usoro mmepụta ọdịnala nke ngwaahịa phosphate na China.Ụlọ ọrụ a na-akpọbu Shifang Taifeng Chemical Co., Ltd bụ obere ụlọ ọrụ na-arụ ọrụ na ngwaahịa kemịkalụ phosphate…
Samhwa
Ọkụ retardatns maka intumescent mkpuchi.