NHI Group, a national high-tech enterprise, has national level technology center and professional product laboratories with the core representation as state key laboratory of full-section tunnel boring machine. Product design institute, engineering design institute, professional technical research institute, academician workstation and post-doctoral mobile-workstation are also established in NHI Group.


NHI Group‘s Design Institute is a key research and development department of NHI to introduce new products and technologies, important heavy equipments and hi-end engineered systems and offer technical support.

bulk material handling system

Bulk Material Handling System

NHI Group’s Design Institute is in the process of developing the competence to offer the complete set of equipments and services of large-scale open mine. After the successful development of spreaders, wagon tippers, ship loaders and ship unloaders, NHI Group is facilitated with the capabilities of undertake EPC projects of port/coal ore terminal handing systems and loading as well as unloading systems.

Slag Powder Processing System

Slag Powder Processing Institute engages in the research on vertical roller mill which is the main equipment in the slag powder processing system as well as the additional equipment including slag grinding, cement clinker, limestone for desulfuration, petroleum coke and industrial silicon related equipment in cement, power generation, steel and chemical industry for high grinding and separation efficiency, stable operation performance and low energy consumption.

slag powder processing

open mine equipment research

Open Pit Mine System

Open Pit Mine Equipment Research Institute mainly engages in the research on the excavation equipments and material handling systems of open pit mine. Excavation, crushing, conveying and spreading equipments for continuous excavation and mining system is an important part of research work.


NHI Group has more than 20 sets advanced testing equipment, including Coordinate Measuring Machine, Six-meter-Length Measuring Machine, Electronic Universal Testing Machine, Metallurgical Microscopy, High-frequency Infrared Carbon and Sulfur Analyzer, Atomic Absorption Analyzer, All Digital Ultrasonic Flaw Detector and Magnaflux Apparatus.


NHI Group has established 11 laboratories respectively for full-section tunnel boring machines, artificial board, grinding machines, electrical equipment, electrical measurement, bulk material conveying process, beneficiation process, automobile electricals, mechanical machining technology, welding process and painting process.

tbm laboratory
conveying laboratory
cement laboratory

TBM Testing Laboratory

Conveying System Laboratory

Cement Production Laboratory


Questions? Enquiries? Ideas? Get in touch with NHI Group!