BEIJING BEIYI WOOSUNG VACUUM TECHNOLOGY CO.,LTD founded in 2002,Beiyi Woosung is recognized and well-known manufacturer of high speed rotary vane vacuum pumps with well-equipped testing facilities and strong technical force.With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in Crude Oil Distillation,vacuum packaging,Freeze Drying of Foodstuffs,Metallic Coating,Pharmaceuticals,Photovoltaic Solar industry and other industries.Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success.