Bangkok--21 May--Siemens General Patcharawat Wongsuwan (in the middle), National Police Chief, has presided over the grand opening of Rachvipa MRI Center, which offers efficient diagnosis through Siemens advanced technological MRI and CT scan on Saturday 17th May 2008., and was very well received by Pol. Col. Dr. Witoon Nitiwarangkul (2nd left), President of Rachvipa MRI Center. Mr. Albert Ritzer, Executive Vice President and Head of Medical Solutions, Siemens Limited Thailand, has also offered his congratulations.