Beijing BEIYI WOOSUNG VACUUM TECHNOLOGY Co., Ltd (BWVAC) is a joined venture company specializing in the manufacturer of high speed rotary vane vacuum pump, which was founded in 2002. After two years preparation, the first batch of final products was accomplished. In the last few years, we consistently offer high quality rotary vacuum pumps. And now, our market roughly reaches 5000 set per year. BWVAC imported advanced technology and equipment like machinery center, CNC from Korea to produce seven kinds of TRP series vacuum pump that pumping speed is from 1.5 L/s to 25 L/s. We focus on modern industry as electronics, medicine, optics, resources economizing, semi-conducts etc. Our products are not only well known in China, but also win praises in US, Europe and other international m..