“This is to confirm that TOPWERK has mandated GBP International to conduct a comprehensive market research project about the market for Autoclaved Aerated (AAC) production lines in January 2019. The team of GBP International under supervision of its CEO Mr Volker Friedrich delivered the results of the study to the management team of TOPWERK and its portfolio companies MASA and HESS in May 2019. 

At all the time the team of GBP International was very professional and engaging with our team members and the results of the study were greatly appreciated by all our team members. We thank GBP International for their professional work and would not hesitate to recommend GBP International as a management and market research consultant to interested parties.”

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