I-Tengzhou Delifu Casting Materials Co., Ltd., inkampani ephethwe yi-FENG ERDA GROUP.Isungulwe ngo-2009, inkampani inabasebenzi abangu-320 abanenani eliphumayo lonyaka lama-yuan ayizigidi ezingu-660.Kunemigqa yokukhiqiza ezenzakalelayo eyisithupha, imikhiqizo esemqoka yilena: (uchungechunge lwe-chromium GB3683-2008) i-ferrochromium enekhabhoni ephezulu, i-ferrochromium ene-carbon ephansi, i-micro-carbon ferrochromium, (uchungechunge lwe-manganese GB3795-2006) i-high-carbon ferromanganese, i-carbon ferromanganese ephakathi , i-ferromanganese ephansi ye-carbon, (i-inoculant system) i-ferrosilicon inoculant, i-silicon-barium inoculant, i-Silicon-Barium-calcium inoculant, (isistimu ye-carbonizer), i-coke-based carbon additive njalonjalo.