Nantong Rongheng
Rongheng

High end Roots blower professional manufacturer

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About Rongheng

Nantong Rongheng Environmental Equipment Co., Ltd.

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China's three-lobe Roots blowers originated from the Cao family enterprise, and after three decades of dedicated expertise, they have gained international acclaim for their superior products and unwavering commitment to integrity and authenticity.

Nantong Rongheng Environmental Equipment Co., Ltd. is a specialized company integrating the research and development, manufacturing, sales, and service of various products, including blowers, vacuum pumps, and more. Our product portfolio includes: general-purpose three-lobe Roots blowers, air-bearing blowers, MVR steam compressors, multi-stage centrifugal fans, biogas booster fans, Roots vacuum pumps, pyrolysis gas Roots blowers, explosion-proof Roots blowers, high-temperature Roots blowers, rotary blowers, stainless steel Roots blowers, high-pressure Roots blowers, corrosion-resistant Roots blowers, explosion-proof three-lobe Roots blowers, corrosion-resistant three-lobe Roots blowers, high-temperature and high-pressure three-lobe Roots blowers along with complete units, three-lobe Roots vacuum pump systems, rotary blowers, and a wide range of valves and silencing devices...

Rongheng Environmental Protection
1890 Year

Company established

Rongheng Environmental Protection
135 +

Industry Experience

Rongheng Environmental Protection
35

Holding 35 patents

Rongheng Environmental Protection
50 +

Product Categories

ABOUT RONGHENG

Our Products


Screw Blower


Roots Blower/Vacuum Pump


Air-suspended blower


Maglev blower


Rotary blower


Centrifugal fan


Acoustic Products


Automatic Control System


Attachment

Screw Blower

Advanced coating technology (Teflon) enables tighter rotor clearances, enhancing volumetric efficiency while effectively protecting the rotors for extended service life.

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Roots Blower/Vacuum Pump

The Rongheng Roots Blower series products are engineered with high strength as their core design principle, establishing a stable, high-performance platform for developing products that meet demanding requirements such as high temperature and pressure.

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Air-suspended blower

The HB Series Air-Suspension Blowers represent a brand-new product line introduced by our company through the complete acquisition of the entire system from Samsung Techwin of South Korea.

Techwin is widely recognized as the cradle of air-suspension technology, serving as both the originator and pioneer in air-suspension bearing technology.

Rongheng Company has entered into a strategic introduction agreement with Hanwha Group, with each party assuming responsibility for sales, maintenance, R&D, and production respectively.

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Rotary blower

The rotary blower operates by the eccentric rotation of a rotor offset within the cylinder. The changing volume between the blades in the rotor slots draws in air, compresses it, and expels it.

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Centrifugal fan

Our multi-stage centrifugal blowers have established a strong presence in domestic applications including wastewater treatment, flue gas desulfurization, denitrification, vacuum drying, powder and granular material conveying, coal preparation and washing, nitrogen boosting, biogas augmentation, and recirculating heating.

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Acoustic Products

The SIR Series Soundproof Enclosures are designed as alternatives to equipment rooms, isolating high-noise machinery from production and living facilities while placing it outdoors whenever possible. Using this product eliminates the need for separate equipment room construction.

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Automatic Control System

Fan-side Instrument Cabinet, XRQ Soft Starter Cabinet, XBQ Variable Frequency Starter Cabinet, Online Monitoring System, PLC Programmable Control Cabinet, Low-Voltage Capacitor Compensation Cabinet, Low-Voltage Draw-Out Switchgear, Low-Voltage Fixed Switchgear, Metal-Clad Withdrawable Switchgear

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Attachment

Soundproof enclosure, circulating water cooling kit, circulating oil cooling kit, automatic venting system, integrated control kit...

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Development History

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135 Year

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2020

2008

2000

1993

1989

1988

1952

1890

Blower assembly

09-14


Blower assembly

2020

Olympic supplier

09-14


Olympic supplier

2008

Global customers

09-14


Global customers

2000

China's highest-pressure blower

09-14


China's highest-pressure blower

1993

Rongheng Enterprise Established

08-14


Rongheng Enterprise Established

1989

China's first three-lobe Roots blower

09-14


China's first three-lobe Roots blower

1988

Public-Private Partnership

03-18


Public-Private Partnership

1952

Family business established

02-05


Family business established

1890

2020

2008

2000

1993

1989

1988

1952

1890

Industrial waste gas desulfurization

The application of Roots blower in industrial waste gas desulfurization is mainly reflected in its provision of oxygen to promote the oxidation reaction of sulfur dioxide, thereby reducing the sulfur content in the waste gas.

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sewage treatment

Roots blower generates a large number of bubbles to agitate sewage, effectively dispersing pollutants and improving treatment efficiency.

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aquaculture

Roots blowers mechanically compress and transport air into water, increasing the dissolved oxygen content in the water, which is crucial for the growth and health of fish.

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pneumatic conveying

Roots blower is mainly used in the field of pneumatic conveying to transport powdered and granular materials. Its working principle is to compress air through the impeller to form an airflow, and transport the materials along the pipeline to the designated location.

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blast furnace smelting

In the blast furnace discharge system, the Roots blower can provide sufficient positive pressure air to maintain pressure balance and gas flow inside the blast furnace.

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papermaking

The Roots blower transports pulp from the pulp making section to the papermaking section through continuous exhaust flow, with efficient and stable conveying capacity, which can improve production efficiency.

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Industrial waste gas desulfurization

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sewage treatment

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aquaculture

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pneumatic conveying

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blast furnace smelting

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papermaking

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News & Events

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Stay updated on Rongheng's latest developments and discover cutting-edge product technologies—Rongheng provides you with expert, tailored solutions.