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GROWING TO MEET REQUIREMENTS

The production of quartz sand and gravel as well as gravel and sand has a long tradition in our company. Over the decades, we have grown with the requirements of our customers from more and more industries. Today, we are one of the most important manufacturers of mineral raw materials in Germany and are ideally positioned to fulfil the customer requirements of the future.

Our development

2022

New packaging machine & expansion of the packaging line

2019

Change of name to WOLFF & MÜLLER Quarzsande GmbH

2017

Start of construction of drying plant II Quedlinburg

2016

Introduction of online trade quartz sand shop

2014

Energy management system (EnMS)

Certification according to DIN EN ISO 50001

2014

Use of new suction excavators

in the Haida and Speyer plants

2012

Construction of the second drying plant in Quedlinburg

2006

Construction of the new wet plant in Quedlinburg

for the production of high-quality industrial minerals/quartz sandstone, primarily for the foundry industry and construction chemicals

2005

Silex / ZuS merger to form WOLFF & MÜLLER Baustoffe GmbH

2004

Planning approval for the Quedlinburg deposit

2002

New Hagenbach plant

2001

Takeover of the quartz movement in Quedlinburg

1998

Certification according to DIN ISO 9001

1995

Commissioning of the new quartz sand drying plant in Haida

1992

Commissioning of the Haida packaging plant

1991

Modernisation of the Haida, Koschendorf and Saalhausen gravel works

Complete renewal of gravel and sand extraction and processing

1991

Takeover of ZuS by Silex Normkies GmbH & Co. KG

1990

Foundation of ZuS Zuschlagstoffe und Spezialsande GmbH

with the plants in Haida, Kahla, Koschendorf and Saalhausen

1971

Foundation of Silex Normkies GmbH & Co. KG

with the Linkenheim, Hagenbach and Speyer plants

1970

Opening of Hagenbach plant with railway connection

1960

Transfer of the Haida, Kahla, Koschendorf and Saalhausen plants to the state-owned Cottbus building materials combine

1954

Commissioning of Linkenheim gravel works

1950

Construction of the Speyer gravel works site

1924

Start of industrial sand production

Start of production of quartz sand as filter sand or gravel, moulding sand, plastering and masonry sand as well as brake sand for locomotives.

1890

Production of building sands at the Haida plant