
Are you looking for reliable Roots vacuum pumps, mechanical vacuum boosters, or complete engineered vacuum systems from China? Roots vacuum pumps are widely used in chemical processing, vacuum metallurgy, resin degassing, coating, transformer drying, distillation, and other applications where higher pumping speed is required in the medium- and high-vacuum range.
Standard Roots vacuum boosters are normally matched with a suitable backing pump, while specialized gas-cooled Roots designs can operate across a wider pressure range. Below, we compare 7 China-based Roots vacuum equipment suppliers. Most provide mechanical Roots boosters for medium- and high-vacuum systems, while one company specializes primarily in lower-vacuum Roots blower applications and is identified separately.
Quick Navigation
- DV VACUUM
- Ningbo Baosi Energy Equipment Co., Ltd.
- Shanghai EVP Vacuum Technology Co., Ltd.
- Shandong Huacheng Group Co., Ltd.
- Shandong Dacheng Machinery Technology Co., Ltd.
- Shandong Kaien Vacuum Technology Co., Ltd.
- Taizhou Foryou Machinery Co., Ltd.
1. DV VACUUM

Headquarters & Base: Shanghai / Anhui, China
Core Technologies: DVB series two-lobe Roots vacuum pumps, DVQB series three-lobe circulatory gas-cooled Roots vacuum pumps, and engineered vacuum systems matched with suitable backing pumps.
Engineering & Technical Strengths: DV VACUUM focuses on process-oriented Roots vacuum solutions for medium- and high-vacuum applications. Its product range includes conventional Roots boosters and circulatory gas-cooled Roots pumps for different pressure conditions. Custom coating configurations are available for selected process requirements, while complete systems can be configured according to the process gas, operating pressure, and backing pump arrangement.
Best Suited For: Chemical processing, pharmaceutical production, vacuum drying, distillation, vapor recovery, and industrial projects requiring factory-direct pump selection and customized vacuum system integration.
Before Purchasing: Confirm process gas composition, condensable vapor load, required pumping speed, operating pressure, material compatibility, backing-pump requirements, and any hazardous-area requirements for the final configuration.
2. Ningbo Baosi Energy Equipment Co., Ltd.

Headquarters & Base: Ningbo, Zhejiang, China
Core Technologies: Industrial Roots vacuum pumps, dry screw vacuum pumps, scroll pumps, and other precision rotating equipment.
Engineering & Technical Strengths: Baosi operates as a large-scale industrial equipment manufacturer with established precision machining and standardized production capabilities. Its Roots vacuum products are relevant to buyers looking for standardized equipment and integration into industrial vacuum machinery.
Best Suited For: Industrial OEMs, vacuum equipment builders, and purchasers seeking standardized Roots pumps for equipment integration or repeat-volume sourcing.
Before Purchasing: Confirm the required Roots pump series, pumping speed, maximum allowable differential pressure, cooling arrangement, and compatibility with the intended backing pump.
3. Shanghai EVP Vacuum Technology Co., Ltd.

Headquarters & Base: Shanghai, China
Core Technologies: ZJ and ZJP Roots vacuum pumps, Roots-liquid ring systems, Roots-rotary vane systems, and other combined industrial vacuum packages.
Engineering & Technical Strengths: EVP offers a broad range of standardized Roots pumps and pre-configured vacuum combinations, including mechanical boosters and Roots systems matched with different backing-pump technologies.
Best Suited For: International distributors, equipment builders, and industrial buyers looking for standard Roots pump combinations with multiple backing-pump options.
Before Purchasing: Compare the required operating pressure with the recommended pump combination rather than selecting a Roots booster only by nominal pumping speed.
4. Shandong Huacheng Group Co., Ltd.

Headquarters & Base: Zibo, Shandong, China
Core Technologies: Industrial Roots equipment, liquid ring vacuum pumps, and combined vacuum equipment for large-flow industrial applications.
Engineering & Technical Strengths: Huacheng is oriented toward heavy industrial rotating equipment and large-capacity vacuum applications. Its combination of Roots-type equipment and liquid ring technology can be relevant where buyers require high gas throughput together with wet-process vacuum handling.
Best Suited For: Heavy process industries and large-flow applications where liquid ring backing technology and high gas-handling capacity are important.
Before Purchasing: Confirm whether the proposed equipment is a medium/high-vacuum Roots booster package or a lower-vacuum large-flow process system, as the operating range can differ substantially.
5. Shandong Dacheng Machinery Technology Co., Ltd. — Low-Vacuum Roots Blower Specialist

Headquarters & Base: Jinan, Shandong, China
Product Category: Three-lobe Roots vacuum blowers, Roots air blowers, and pneumatic conveying equipment.
Engineering & Technical Strengths: Dacheng primarily supplies Roots vacuum blowers for low-vacuum air handling and material-conveying applications. Its product category operates in a substantially different pressure range from mechanical Roots boosters commonly used in medium- and high-vacuum systems.
Best Suited For: Pneumatic conveying, vacuum packaging, material handling, water treatment, aeration, and other applications requiring high airflow at relatively shallow vacuum.
Before Purchasing: Buyers requiring a Roots booster for chemical processing, vacuum drying, distillation, or deeper-vacuum systems should confirm whether the proposed equipment provides the required operating pressure and is designed to work with a backing vacuum pump.
6. Shandong Kaien Vacuum Technology Co., Ltd.

Headquarters & Base: Jinan, Shandong, China
Core Technologies: ZJ series Roots pumps, Roots vacuum pump units, screw vacuum pumps, liquid ring vacuum pumps, and combined vacuum equipment.
Engineering & Technical Strengths: Kaien offers multiple industrial vacuum pump technologies rather than focusing only on one pump type. Its product range allows buyers to compare Roots pumps with different backing-pump technologies when configuring an industrial vacuum unit.
Best Suited For: Industrial equipment builders and process users seeking Roots pumps as part of a broader vacuum equipment package.
Before Purchasing: Confirm the exact Roots pump model, bypass arrangement if required, backing pump configuration, target vacuum range, and system controls.
7. Taizhou Foryou Machinery Co., Ltd. (For You Pump)

Headquarters & Base: Taizhou, Zhejiang, China
Core Technologies: Mechanical Roots vacuum pumps, liquid ring vacuum equipment, and general industrial vacuum pump products.
Engineering & Technical Strengths: Foryou serves buyers looking for conventional industrial vacuum equipment and relatively straightforward Roots pump configurations.
Best Suited For: General manufacturing utilities, equipment replacement projects, and buyers seeking standard Roots vacuum equipment for conventional industrial applications.
Before Purchasing: Confirm model availability, pumping curve, maximum differential pressure, cooling requirement, backing pump compatibility, and after-sales support for the destination market.
Essential Technical Criteria for Sourcing Roots Vacuum Systems
Most conventional Roots vacuum pumps are used as mechanical boosters together with a suitable backing pump. Specialized gas-cooled designs may operate across a wider pressure range, so buyers should first identify the required operating pressure and system configuration before comparing models.
- Standard vs. Bypass-Type Roots Pumps: Conventional Roots boosters must operate within the manufacturer's allowable differential-pressure range. Bypass-equipped models may allow earlier starting, but the operating sequence should follow the specific manufacturer's data.
- Gas-Cooled Roots Pumps: Gas-cooled designs can operate under higher differential-pressure conditions than conventional boosters. Whether a specific model can discharge directly to atmosphere should be confirmed from its technical specification.
- Roots + Dry Screw: Suitable where oil-free compression, solvent handling, or cleaner process vacuum is a priority.
- Roots + Liquid Ring: Commonly considered for wet and condensable gas streams where vapor handling is important.
- Roots + Rotary Vane: Often used in relatively clean and dry industrial vacuum applications where an oil-sealed backing pump is acceptable.
- Do Not Compare Pumping Speed Alone: Differential pressure, inlet pressure, gas temperature, vapor load, materials, seal arrangement, and backing-pump capacity all affect system suitability.
Frequently Asked Questions - Sourcing Roots Vacuum Pumps from China
What specifications must be defined when requesting a Roots pump quote?
Provide required pumping speed, normal operating pressure, target ultimate pressure, process gas composition, vapor or condensate load, operating temperature, backing pump information, electrical standards, and whether you need a bare pump or complete system.
Why is matching the Roots pump with the backing pump important?
The Roots pump and backing pump must be selected as a system. An undersized backing pump can increase discharge pressure and differential pressure across the Roots stage, reducing performance and potentially causing overload or excessive operating temperature.
Can Roots vacuum systems be used in hazardous areas?
Roots vacuum systems can be configured for projects with hazardous-area requirements, but the required motor, electrical components, instrumentation, and certification scope depend on the final system design and destination market. Buyers should request model-specific confirmation and supporting documentation before ordering.
Need an Engineered Roots Vacuum System for Your Facility?
Sizing a Roots vacuum system requires matching pumping speed, operating pressure, backing pump capacity, process gas characteristics, and material compatibility. DV VACUUM supplies DVB series Roots vacuum pumps, DVQB series circulatory gas-cooled Roots vacuum pumps, and customized vacuum solutions for different industrial process requirements.
For a more accurate proposal, send the application engineers your required pumping speed, operating vacuum, process gas composition, vapor load, operating temperature, electrical standard, backing pump information, and any hazardous-area or material compatibility requirements.