medical vacuum units     diaphragm pumps     liquid ring     rotary vane          Europe, Middle East and Africa     North and South America     Asia Pacific Doctors Friend Medical Instrument Co., Ltd. - - no. 28, Lane 13, Sec.3, Zhong Shan Re., Tanzi Shiang, Taichung County, Taiwan (R.O.C.) email, Tel. Our company was established in 1975 and has been a professional manufacturer of medical instruments. products: suction units, porable and mobile suction units, Diaphragm vacuum pumps for medical applications Surgical & Gynecology Suction Unit, Gastric-thoracic Drainage Pump, Super Surgical Suction Unit     www.vacuum-guide.com     Keywords