北京星旋世纪科技有限公司
Beijing Rostar Technology Co., Ltd is a high-tech company dedicated to research and development on energy-saving and emission reduction of new fluid machinery. We have independently developed the world\'s first epoch-making core technology of rolling bearing rotary structure, which spends more than 20 years of time. We have successfully developed a number of high-tech products with Rostars hydraulic motor, pump, compressor and gas motor as their cores. These products are widely used in oil exploitation, metering and transport of oil, etc..
We have filed 28 invention patent applications around the world (including Europe, United States, and Japan), of which 7 core invention patent applications and 1 international invention patent application have been granted as patents.
Website：www.rostars.com