ʻO Tengzhou Delifu Casting Materials Co., Ltd., he lālā o FENG ERDA GROUP.Hoʻokumu ʻia ia ma 2009, he 320 mau limahana ka hui me ka waiwai hoʻopuka makahiki o 660 miliona yuan.ʻEono laina hana maʻalahi, nā huahana nui: (chromium series GB3683-2008) high-carbon ferrochromium, haʻahaʻa-carbon ferrochromium, micro-carbon ferrochromium, (manganese series GB3795-2006) high-carbon ferromanganese, medium-carbon ferromanganese , ha'aha'a-carbon ferromanganese, (inoculant system) ferrosilicon inoculant, silicon-barium inoculant, Silicon-Barium-calcium inoculant, (carbonizer system), coke-based carbon additive a pela aku.
