China-Places.com listou aprox 29 empresas dentro Estrada Provincial 312. Alguns dos mais bem avaliados empresas dentro Estrada Provincial 312 estão- Donggang Hongtai Food Company Limited, Pailouzhen Pasturage Veterinary Service General Company, Xiuyan Baocai Real Estate Development Company Limited, Associação de Planejamento Familiar Shaoyunzhen, Empresa de Responsabilidade Civil Anshan Dianci Fayouxian, Sunny Steel Structure Caiban Engineering Co.Ltd., Xinzhou Tianlvyuan Food Company Limited, Donggang Yonghuan Mechanical & Electrical Equipment Company Limited, Honglin Garment Manufacturing Company Limited & Parque Logístico Bayun.