NHI is manufacture Apron Feeder State-Owned enterprise.

Apron feeder is widely applied to building material, chemical plant, metallurgy, coal industries.

Company produced apron feeder including light, medium, heavy, PB in the introduction of technology and developed new apron feeder , five categories, nearly 100 specification. The longest 25m, widest 3.4m, the largest output 4500t/h. The above three tops is recognized the leader in domestic and the same industry.(GBZ heavy apron feeder, GBH new medium type apron feeder, PB introduced heavy apron feeder , GBH medium type apron feeder)

NHI major products include tunnel boring equipments, metallurgy equipments, mining equipments, coal machineries, power equipments, building material equipments, port equipments and environment protection equipments. With the qualifications to undertake export and import business and international EPC projects, the products have been sold to more than 80 countries and regions around the world.