A high vacuum pump supplier inquiry needs a numerical pressure target, gas throughput and chamber design. High vacuum is sometimes used broadly in marketing, even when the main offering is a backing pump or industrial booster. Those components can matter to the system without being the stage responsible for the final chamber vacuum.
The ten candidates below come from the supplied directory. Most publish backing, Roots or industrial process equipment; the collected information does not establish ten dedicated high-vacuum pump manufacturers. This shortlist identifies relevant sourcing roles and the documentation needed for a complete project. Duplicate VPS and InPowerVac websites are counted once each.
Quick takeaway: Contact DV Vacuum for industrial backing and booster engineering and review VALUE for documented rotary vane backing options. Identify the final high-vacuum pump separately where required. Pfeiffer’s pump-unit information illustrates the distinct roles of a turbomolecular stage and its backing pump.
- DV Vacuum
- VALUE
- InPowerVac (Zhejiang Yingpa Electromechanical Co., Ltd.)
- Yitaer Vacuum Technology (Dongguan) Co., Ltd.
- Mibay Vacuum (Xiamen Mibay Technology Co., Ltd.)
- VPS / Weipengsheng Group
- ReM Vacuum Technology (Shanghai)
- Shandong Boke Vacuum Technology Co., Ltd.
- GOFLEX
- NuoXuTech
Top 10 High Vacuum Pump Suppliers to Evaluate in China: Quick Comparison
| Company | Published Product Focus | Best-Fit Starting Point |
|---|---|---|
| DV Vacuum | Single-stage and two-stage oil rotary vane pumps; Roots, dry screw and liquid ring pumps; customized vacuum packages | Industrial backing and booster engineering for a larger vacuum installation |
| VALUE | Vacuum equipment development and production; VRD series and application-specific vacuum solutions | VRD rotary vane backing pump selection |
| InPowerVac (Zhejiang Yingpa Electromechanical Co., Ltd.) | Oil-sealed rotary vane pumps, two-stage rotary vane pumps, Roots pumps, dry screw pumps and vacuum units | Backing technology and booster comparisons |
| Yitaer Vacuum Technology (Dongguan) Co., Ltd. | Rotary vane pumps, including ETR-D275C and ETR-D065D two-stage models; Roots and dry vacuum technologies | Backing arrangements for instruments and process machines |
| Mibay Vacuum (Xiamen Mibay Technology Co., Ltd.) | Single-stage oil-sealed rotary vane pumps; Roots boosters, dry screw and rotary piston pumps | Backing equipment and sourced vacuum components |
| VPS / Weipengsheng Group | VPS and HC dry screw pumps; screw-Roots pump units | Dry backing and Roots booster packages |
| ReM Vacuum Technology (Shanghai) | RMV and RMD dry screw pumps; modular vacuum units and control solutions | Process packages needing dry backing and controls |
| Shandong Boke Vacuum Technology Co., Ltd. | VDP variable-pitch dry screw pumps; Roots and liquid ring technologies | Industrial backing and booster alternatives |
| GOFLEX | Oil-lubricated rotary vane pumps; piston, claw, screw, Roots and liquid ring pumps; OEM/ODM options | OEM backing assemblies for equipment builders |
| NuoXuTech | Rotary vane pumps, liquid ring pumps/compressors, Roots pumps and vacuum systems | Preliminary backing and package sourcing inquiries |
1. DV Vacuum
Website: https://www.dvvacuum.com/
Core Technologies: Single-stage and two-stage oil rotary vane pumps; Roots, dry screw and liquid ring pumps; customized vacuum packages
Best Fit: Industrial backing and booster engineering for a larger vacuum installation
Company Overview: DV Vacuum publishes oil rotary vane pumps for packaging, laboratory vacuum and backing service alongside its industrial pump and system portfolio. Its website describes in-house production and engineering for industrial vacuum equipment. The published in-house core product series specifically highlight Roots, dry screw and liquid ring pumps, so buyers sourcing rotary vane pumps should confirm the manufacturing scope of the offered model. The collected portfolio does not establish a dedicated turbomolecular series. Identify any separate high-vacuum stage rather than assuming the backing or Roots pump alone delivers the final chamber duty.
Buying Tips: Provide a numerical chamber pressure target and gas load. Request a diagram identifying backing, booster and final high-vacuum stages, and establish which supplier guarantees integrated performance.
2. VALUE
Website: https://en.valuevacuum.com/
Core Technologies: Vacuum equipment development and production; VRD series and application-specific vacuum solutions
Best Fit: VRD rotary vane backing pump selection
Company Overview: Zhejiang VALUE Mechanical & Electrical Products Co., Ltd. describes research, development and production of vacuum equipment supported by machining and inspection resources. The supplied company history identifies the VRD series with research and medical-device applications. Its broader product offering makes it a candidate for buyers who need a documented model selection rather than a generic pump quotation. The official VRD series information describes backing service for diffusion and molecular pumps. That is a system role distinct from supplying the final high-vacuum stage.
Buying Tips: Match the VRD foreline performance to the selected high-vacuum pump. Confirm throughput, permitted backing pressure, oil exposure, valves, frequency and startup requirements using the actual model data.
3. InPowerVac (Zhejiang Yingpa Electromechanical Co., Ltd.)
Website: https://www.inpowervacuum.com/
Core Technologies: Oil-sealed rotary vane pumps, two-stage rotary vane pumps, Roots pumps, dry screw pumps and vacuum units
Best Fit: Backing technology and booster comparisons
Company Overview: InPowerVac publishes oil-sealed and two-stage rotary vane pumps together with Roots boosters, dry screw pumps and vacuum units. Its company materials describe vacuum equipment development, production, sales and maintenance services for applications including laboratories, surface coating, new materials and industrial manufacturing. The hi-team.cn and inpowervacuum.com materials identify the same company and brand, so they are treated as one supplier. Broad website labels do not establish the mechanism of a proposed high-vacuum pump. Request the actual construction and model data for every stage.
Buying Tips: Identify whether the offer covers a backing pump, booster or complete system. Obtain pressure-dependent performance and sequencing, and name the pump responsible for the final chamber pressure.
4. Yitaer Vacuum Technology (Dongguan) Co., Ltd.
Website: https://www.yitaervacuum.net/
Core Technologies: Rotary vane pumps, including ETR-D275C and ETR-D065D two-stage models; Roots and dry vacuum technologies
Best Fit: Backing arrangements for instruments and process machines
Company Overview: Yitaer publishes named two-stage rotary vane models as well as Roots, screw, claw and other vacuum technologies. Its supplied company information describes manufacturing and assembly resources and vacuum solution customization. Published application categories include degassing, drying, coating, packaging and distillation, giving buyers several useful starting points for a technical discussion. Its oil-sealed and dry technologies can be assessed for backing service, subject to compatibility with the selected high-vacuum stage.
Buying Tips: Specify allowable oil exposure and the process medium. Review foreline pressure and throughput, connections and service needs with the requirements of the high-vacuum pump manufacturer.
5. Mibay Vacuum (Xiamen Mibay Technology Co., Ltd.)
Website: https://www.mbvacuum.com/
Core Technologies: Single-stage oil-sealed rotary vane pumps; Roots boosters, dry screw and rotary piston pumps
Best Fit: Backing equipment and sourced vacuum components
Company Overview: Mibay identifies its single-stage rotary vane series among the products built on its own production lines. Its supplied homepage also separates an extensive model catalog referencing other brands from its own manufactured product series. That distinction matters when evaluating a factory quotation, replacement pump or equipment package. The broader Mibay materials also reference molecular pumps and other-brand equipment. Establish which components are manufactured internally and which are sourced.
Buying Tips: Obtain the manufacturer and model of every pump and controller. Define chamber pressure, gauges, valves and acceptance tests, and assign responsibility for integration and package warranty.
6. VPS / Weipengsheng Group
Website: https://www.vps-vacuumpump.com/
Core Technologies: VPS and HC dry screw pumps; screw-Roots pump units
Best Fit: Dry backing and Roots booster packages
Company Overview: VPS describes development and production of dry screw pumps and vacuum units under the VPS and HC brands. The supplied drypump.com.cn and vps-vacuumpump.com profiles refer to the same group and are counted once. Published materials discuss rotor coatings, sealing and machining resources for process vacuum equipment. The final vacuum regime depends on the complete train and chamber duty. A dry screw or screw-Roots package should be evaluated for its identified system role.
Buying Tips: Request the gas-compatible backing configuration and duty schedule. Agree on foreline limits, isolation and pressure interlocks with the final high-vacuum stage supplier.
7. ReM Vacuum Technology (Shanghai)
Website: https://en.remvac.com/
Core Technologies: RMV and RMD dry screw pumps; modular vacuum units and control solutions
Best Fit: Process packages needing dry backing and controls
Company Overview: ReM lists variable-pitch dry screw pump series and modular vacuum units in its supplied materials. It also describes process consulting, electronic control solutions and system accessories. These published categories support a discussion of dry process vacuum packages and the equipment boundary between supplier and plant. Confirm whether the proposed assembly provides the final chamber vacuum or only the backing section of a larger installation.
Buying Tips: Supply throughput and pressure for each process stage. Request utility and thermal requirements and a written statement identifying any final high-vacuum pump included in the package.
8. Shandong Boke Vacuum Technology Co., Ltd.
Website: https://www.bokevac.com/
Core Technologies: VDP variable-pitch dry screw pumps; Roots and liquid ring technologies
Best Fit: Industrial backing and booster alternatives
Company Overview: Boke publishes the VDP variable-pitch dry screw series alongside Roots and liquid ring equipment. Its supplied company profile describes design and production resources in Zibo and a broader vacuum acquisition portfolio. The dry screw product family gives buyers a specific starting point for an industrial factory quotation. Its process technologies can be relevant to a larger pumping train, but do not by themselves establish a complete high-vacuum chamber capability.
Buying Tips: Ask for the role and performance of each proposed stage. Define connection losses, medium protection and controls, with any separately sourced high-vacuum component explicitly identified.
9. GOFLEX
Website: https://goflexpump.com/
Core Technologies: Oil-lubricated rotary vane pumps; piston, claw, screw, Roots and liquid ring pumps; OEM/ODM options
Best Fit: OEM backing assemblies for equipment builders
Company Overview: GOFLEX presents rotary vane pumps as part of a multi-technology vacuum pump manufacturing portfolio in Dongguan. The supplied materials describe machining, assembly and final performance testing, together with OEM/ODM work. Its rotary vane range is positioned for laboratory and light industrial service, making it a candidate for buyers exploring sample units and repeat supply. The supplied information does not establish a dedicated turbomolecular series. Evaluate its identified backing offer against the high-vacuum stage requirements.
Buying Tips: Approve a backing model with relevant foreline data. Agree on vibration, mounting, exhaust and electrical interfaces and identify who integrates and tests the complete machine.
10. NuoXuTech
Website: https://www.nuoxutech.com/
Core Technologies: Rotary vane pumps, liquid ring pumps/compressors, Roots pumps and vacuum systems
Best Fit: Preliminary backing and package sourcing inquiries
Company Overview: NuoXuTech lists rotary vane pumps in its supplied company profile alongside liquid ring pumps, Roots pumps and vacuum systems. Its materials emphasize vacuum solutions across several industrial applications, but the collected information contains limited rotary vane model detail. It is suitable for an initial technical inquiry, with factory qualification depending on further product and production evidence. Further documentation is needed to identify a specific high-vacuum pump or a validated complete system.
Buying Tips: Request the proposed mechanism, model and manufacturer. Establish guaranteed performance at the chamber and identify other pumps, controllers and instruments required to achieve it.
High Vacuum System Roles
| Configuration | Application Starting Point | Key Questions |
|---|---|---|
| Final high-vacuum stage | Chamber duties needing the appropriate high-vacuum mechanism | Gas-specific speed, pressure range and backing requirement |
| Backing pump | Evacuation and foreline support for another stage | Foreline pressure, throughput, oil exposure and exhaust |
| Roots booster | Additional capacity in a compatible pump train | Backing selection, pressure differential and sequencing |
| Complete chamber system | Specified performance at the actual process | Leaks, outgassing, conductance, gauges and acceptance |
How to Choose a High Vacuum Pump Supplier
1. State the Chamber Duty Numerically
Specify base pressure, working pressure, gas species, throughput, chamber volume and pump-down time. Include gas additions, cleaning cycles and contamination limits. One ultimate-pressure value does not describe the system throughout the process or define the pump capacity needed under load.
2. Identify the Mechanism of Every Stage
Require the manufacturer and model of the final vacuum pump, backing pump and any booster. Obtain operating limits and controller requirements. Do not infer the mechanism from a broad product heading; ask for construction details and pressure-dependent performance data.
3. Match the Foreline and Backing Duty
Review the selected high-vacuum pump requirements with the backing offer. Confirm permitted foreline conditions, throughput, isolation and startup and shutdown sequences. Establish whether oil exposure is acceptable or a dry backing arrangement is needed for the process.
4. Review Chamber and Connection Losses
The vacuum achieved at the process depends on leaks, outgassing and conductance as well as the pumps. Provide chamber materials, seals, ports and the valve layout. Agree on measurement locations, gauge types and any chamber conditioning used during acceptance.
5. Define Integrated Acceptance
Where several suppliers provide components, identify who checks compatibility and performs system tests. Request a pumping diagram, equipment list and written performance conditions. Include controllers, valves, installation, service and the party responsible for troubleshooting the whole package.
What Affects High Vacuum System Cost?
Compare the complete configuration and the same operating duty across suppliers. The initial equipment quotation should be assessed together with the accessories, utilities and service needed for the actual application.
- Final high-vacuum technology, gas-specific capacity and controller
- Oil-sealed or dry backing, boosters and isolation equipment
- Chamber seals, ports, valves and conductance requirements
- Gauges, interlocks and process control integration
- Leak checking, commissioning, acceptance and repair support
Request a written configuration list, a performance basis and a maintenance schedule. These establish a fair quotation comparison and a practical acceptance reference for delivery.
FAQs – High Vacuum Pump Suppliers to Evaluate in China
Q1: Can a rotary vane pump alone serve every high-vacuum chamber?
No. Its capability depends on the model and duty. Rotary vane pumps often provide backing for another stage; specify the chamber target and require a complete pumping diagram.
Q2: Is a Roots booster automatically the final high-vacuum pump?
No. It operates within a compatible train and requires the appropriate backing arrangement. Identify the pressure requirement and each stage’s role.
Q3: Why include backing suppliers?
They are the candidates in the supplied directory, and their products may serve the backing or booster portions of a high-vacuum installation. Their roles are distinguished from dedicated high-vacuum pump manufacture.
Q4: Why can chamber pressure differ from a pump specification?
The specification uses stated test conditions, while the chamber result also depends on gas load, leaks, outgassing and connecting conductance. Ask for performance conditions at the actual process.
Q5: Can I choose a dry backing pump?
A suitable dry model may be appropriate where process or contamination requirements favor it. Match foreline performance and gas compatibility to the final high-vacuum stage.
Q6: What should DV Vacuum quote?
Request a defined backing, booster or package proposal. Confirm whether the final high-vacuum stage is included and identify any sourced components and integration responsibilities.
Which High Vacuum Pump Supplier Fits Your Project?
Choose by the role each supplier can document and deliver. DV Vacuum is relevant to industrial backing and booster discussions; VALUE provides explicit rotary vane backing references. For a complete chamber project, identify the final vacuum stage and require a coordinated pumping diagram, compatible controls and one clear acceptance basis.
Send every shortlisted supplier the same process and installation information. Obtain an identified model, supporting data, equipment scope and service plan before placing the order.