Tengzhou Delifu Casting Materials Co., Ltd., enyemaka nke FENG ERDA GROUP.E guzobere ya na 2009, ụlọ ọrụ ahụ nwere ndị ọrụ 320 nwere uru mmepụta kwa afọ nke 660 nde yuan.E nwere isii akpaka mmepụta ahịrị, ndị isi ngwaahịa bụ: (chromium usoro GB3683-2008) elu-carbon ferrochromium, obere-carbon ferrochromium, micro-carbon ferrochromium, (manganese usoro GB3795-2006) high-carbon ferromanganese, ọkara-carbon ferromanganese. , obere-carbon ferromanganese, (inoculant usoro) ferrosilicon inoculant, silicon-barium inoculant, Silicon-Barium-calcium inoculant, (carbonizer usoro), coke dabeere carbon mgbakwunye na na.