China-Places.com listou aprox 35 empresas dentro Distrito de Gangcheng. Alguns dos mais bem avaliados empresas dentro Distrito de Gangcheng estão- CPC Laiwu Steel Group Yinshan Xinggang Limited Company Comitê de Bandaichang, Laiwu Iron & Steel Group Co. Ltd., Gangcheng Hongri Real Estate Development Limited Company, Laiwu Gangyuan Xinggang Limited Company, Laiwu Zhengtong Materials Limited Company, Laiwu Jinshan Materials Limited Company, Laiwu Dongyuan Xinggang Limited Company, Laiwu Lanqi Materials Limited Company, Comitê de laminação da CPC Laiwu Steel Company Limited & Laiwu Weiyongji Glasses Limited Company.