News of Siefer Trigonal® -Machines




won New project and delivered 7 units of SM-D3/HK series

K1024_alle7 K1024_einzel


03.08 – 07.08.2015

to be a guest by one of the biggest chinese producers for BITUMEN  “read more



Special to the ACHEMA 2015 read more here  “Messekurier”



Only 3 weeks left until the ACHEMA 2015th banner_achema_2015_156_60

visit us in Hall 6.0 Stand A86.

More info’s? Please click on article     Article”


04.12.2014                                                                                                                                              Jean Pütz, known from Hobbythek and a science icon from radio and television here K800_1 in conversation with Gerd Birkenkamp the Managing Director of Wilhelm Siefer GmbH & Co.KG visited us today.

27.11.2014                                                                                                                                       Siefer is a participant and sponsor one of the largest BITUMEN events in Africa. Daressalaam city of millions in Tanzania.  04.02.2014 –  05.02.2014 in Daressalam. Afrika. look here:  ARGUSmedia

20.10.2014                                                                                                                                          Paul Misar / Life Designer , Entrepreneur and Secret Millionaire (RTL ) in conversation with Gerd Birkenkamp  20140621_112848

Relaunch our new Website

04.08.2014                                                                                                                                                                                     SIEMENS and SIEFER K800_IMG_7930  1 With Siemens as the supplier of electric motors , the Grand – project was implemented. 18 Einehiten SM – D3 / HK complete with Siemens motor. Gerd Birkenkamp and Matthias Frank von Siemens.

15. – 19.Juni in Frankfurt/M. Germany
visit us at Achema 2015 – Hall 6.0 Stand A86
ACHEMA – World Forum and 31. Leading Show for the Process Industries