1. Zibo Shuanghe Vacuum Pump Factory – Leading Chinese manufacturer of liquid ring vacuum pumps and compressors. Founded 1999, ISO9001 certified. Products include 2BE1, 2BE3, 2BEC, 2BV series liquid ring vacuum pumps widely used in coal, chemical, pharmaceutical, and power industries. Website: [Contact via industry channels]

  2. Nantong Cemei Pump Manufacturing Co., Ltd. – High-tech enterprise specializing in vacuum pumps, pressure pumps, and vacuum units. Products include 2BV, 2BE, SK, 2SK series water ring vacuum pumps, 2X rotary vane vacuum pumps, XD single-stage rotary vane pumps, ZJ roots pumps, and vacuum units. Serves chemical, pharmaceutical, food, and metallurgy industries. ISO9001 certified with independent export rights. Website: [Contact via industry channels]

  3. Busch Vacuum (China) – German global leader in vacuum technology with manufacturing in China. Offers comprehensive vacuum pump range including rotary vane, claw, screw, and roots pumps for industrial applications. Website: https://www.buschvacuum.com

  4. Leybold (China) – German vacuum technology leader offering dry screw pumps, rotary vane pumps, and roots pumps for semiconductor and industrial applications. Website: https://www.leybold.com

  5. Edwards (China) – British global leader in vacuum technology offering dry pumps, rotary vane pumps, and roots pumps for semiconductor and industrial applications. Website: https://www.edwardsvacuum.com

  6. Pfeiffer Vacuum (China) – German manufacturer of vacuum pumps and systems for industrial and research applications. Website: https://www.pfeiffer-vacuum.com

  7. Gardner Denver (China) – Global leader in industrial vacuum pumps offering rotary vane, claw, and screw pumps through Elmo Rietschle brand. Website: https://www.gardnerdenver.com

  8. Becker (China) – German manufacturer of vacuum pumps and systems for industrial applications with operations in China. Website: [Contact via industry channels]

  9. Wenling Tingwei Vacuum Equipment – Chinese manufacturer of rotary vane vacuum pumps and vacuum systems for various industries. Website: [Contact via industry channels]

  10. Shanghai Vacuum Pump Factory – Long-standing Chinese manufacturer of industrial vacuum pumps and systems. Website: [Contact via industry channels]