About nerospec SK

The German Schmidt Kranz Group and the South African Nerospec Group joined forces in pursuit of a common goal of delivering the 4th Industrial Revolution for Mining. 

Improving Mine Safety Productivity Underground Connection Automation

Cost Efficient

We operate our Manufacturing and Supply-Chain out of South Africa, passing the savings on to you.

Innovation Always

Our engineers are constantly innovating and looking to leverage the latest technology advancements to solve mining challenges and
unlock mining operational opportunities.

Connected Mining Expertise

We love to share our expertise in extracting
machine data and connecting mining assets and then identifying and determining where and how to improve mining operations.

Your Connected Mine Partner

All implementations are project managed in close collaboration between our customers and the experienced team at Nerospec SK.

Limitless Mining Solutions

One Connected Mine Partner for your entire fleet. Working with any Proximity Detection System Vendor.

•  Any OEM    •  Any Machine  
•  Any Age Machine    •  Any Mine Type

Complete Technology Solution

Our solutions are end-to-end and include both hardware and software that is customisable and expertly configured. Either in terms of collision avoidance and/or to gather the required data and process them into useful KPI’s.


The Schmidt Kranz Group is a family-
owned group of mid-sized companies with
over 130 years of experience in a
diversified portfolio of selected industries
and services. In each of its main activities,
from underground mining and tunneling,
mineral processing and recycling,
hydraulic and pneumatics to automation
and control and services, SK Group aims
to deliver to the highest standards.

Nerospec Core is a group of key
individuals united by a pioneering spirit
that was forged by years of success over
multiple industrial and commercial
industries. With more than 20 years
of experience in underground
communications and proximity detection
technology Nerospec is today a leader in
the Level 9 machine intervention space.

The German Schmidt Kranz Group and
the South African Nerospec Group joined
forces in pursuit of a common goal of
delivering the 4th Industrial Revolution
for Mining. Striving for outstanding
technical solutions for underground mines
underpinned by a cost effective digital
capabilities upgrade, which in turn will
improve everyday operations and make
modern miners more efficient and safer.

SK Group Heritage

Founded in 1885, the company has been formed into a group of eight mid-sized units that cover various business areas. Our roots and headquarters are based in Germany, while the Schmidt Kranz Group has a broad global presence with independent corporations in over 25 countries with over 3000 employees.

Nerospec Development

During the past 10 years the group has evolved with further companies (counting more than 150 people), all based on the communication technology domain. The companies cover internet network communications & LTE), mining machine control equipment, Internet of Things (IoT) data collection, mining communications infrastructure as well as tactical tracking and communication solutions.

SK Group Strategy

Today the Schmidt Kranz Group's mission is to strive for outstanding technical solutions in its core areas of activity, thereby improving the life of customers and end-users. Efficiency First!

Nerospec Strategy

Today setting the standard for communication and safety control in sub-saharan Africa, the Nerospec group is ready to roll-out proven technologies on a global scale with a proven partner who has a global footprint in the mining industry.

The power and drive forged by Nerospec and SK will revolutionize the worldwide mining business through digitalization, automation, cost reduction and an increase in safety and efficiency

Mortimer Glinz

CEO and shareholder of Schmidt Kranz Group

For the future our objective with Nerospec SK is to innovate underground wireless communication solutions, data logging and analytics, as well as providing sophisticated machine automation

Michael Bruno

CEO and founder of Nerospec group


Nerospec SK offers specialized underground mining technology to the existing global customer base. The technology is OEM-independent and is developed by Nerospec SK specifically according to individual requirements. This way, their solutions can add maximum value to customers worldwide through improved communication, decision-making support and automation, for any brand and type of machine.




We deploy independent mining machine communication, control and automation solutions for Mines worldwide. A truly global footprint for connected machines, instant insights and actionable advancements. 

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