India
Membrane Technologies Ltd
Team House, GST Road
Vandalur, Chennai 600 048, India
Phone : +91 44 2275 0325
Fax :+91 44 2275 0860
E-mail : membrane@drraoholdings.com

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Singapore
Dr Rao Holdings Pte Ltd
371, Beach Road
#22-07, Key Point
Singapore 199 597
Phone : 6774 5994
Fax : 6774 5997
E-mail : drhkrao@pacific.net.sg
Web site : www.drraoholdings.com