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Updated Oct 13, 2026 · Public platform & industry data

Oct 13, 2026 Updated

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2026 Top 10 Constant Pressure Variable Frequency Water Supply Manufacturers in China

Top-rated Constant Pressure Variable Frequency Water Supply suppliers, How to choose a Constant Pressure Variable Frequency Water Supply manufacturer, Best Constant Pressure Variable Frequency Water Supply companies in China

The top 10 Constant Pressure Variable Frequency Water Supply manufacturers in China for 2026 are: Shanghai Auska Pump Industry Group Co., Ltd, Changzhou Bairuida Water Treatment Technology Co., Ltd, Foshan Wopu Machinery Co., Ltd, Airuihe (Shandong) Smart Agricultural Equipment Co., Ltd, Yunnan Haoquan Water Treatment Equipment Co., Ltd, Waiqi Industrial Equipment (Suzhou) Co., Ltd, Dadonghai Pump Industry Wuxi Co., Ltd, Weifang Huili HVAC Equipment Co., Ltd, Lanzhou Water Source Water Supply Equipment Co., Ltd, Shanghai Baijiang Pump Manufacturing Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

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Overall Score4.9 / 5

Est. Date2021-07-14

Registered Capital30000K CNY

Shanghai Auska Pump Industry Group Co., Ltd., with its registered address at Building A727, No. 2, Lane 158, Gangye Road, Xiaokunshan Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision Administration. The legal representative is Pan Xile, and its business scope includes general projects such as pump and vacuum equipment manufacturing; Sales of pumps and vacuum equipment; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Motor manufacturing; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of electronic specialized equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of specialized machinery and equipment for water resources; Sales of mechanical equipment; Sales of seals; Sales of specialized equipment for refining and chemical production; Sales of chemical products (excluding licensed chemical products); Sales of mining machinery; Sales of power facilities and equipment; Sales of metal fittings for construction; Sales of household appliances; Sales of electrical equipment; Automobile sales; Sales of distribution switch control equipment; Sales of intelligent power transmission and distribution and control equipment; Sales of instruments and meters; Wholesale of hardware products; Retail of hardware products; Sales of metal cutting and welding equipment; Electronic product sales; Sales of firefighting equipment; Sales of security equipment; Sales of building decoration materials; Industrial design services; Professional design services; Installation services for ordinary mechanical equipment; General equipment repair; Specialized equipment repair; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Constant Pressure Variable Frequency Water Supply, Pipeline Pump, Multistage Pump

Featured Product

Fully automatic, efficient, non negative pressure intelligent variable frequency water supply equipment, low-energy tap water pipe network constant pressure water supply system

Overall Score4.8 / 5

Est. Date2013-10-31

Registered Capital10000K CNY

Changzhou Bairuida Water Treatment Technology Co., Ltd., with its registered address at No. 170 Qingyang Road, Xuejia Town, Xinbei District, Changzhou City, is registered with the Administrative Approval Bureau of Changzhou National High tech Industrial Development Zone (Xinbei District). The legal representative is Song Laibin, and its business scope includes research and development, manufacturing, installation, commissioning, maintenance, technology transfer, technical consulting services, technical training, and sales of water treatment equipment, purification equipment, and HVAC equipment; Engineering survey and design; Sales of water treatment chemical raw materials, water treatment equipment accessories, HVAC equipment accessories, hotel supplies, daily necessities, hardware and electrical equipment, and building materials. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Constant Pressure Variable Frequency Water Supply, Fully Automatic Water Softener, Self Cleaning Filter

Featured Product

Bi Ruida has complete after-sales service, firm and reliable automatic operation, variable frequency constant pressure water supply unit

Overall Score4.8 / 5

Est. Date2017-09-26

Registered Capital200K EUR

Foshan Wopu Machinery Co., Ltd., registered at No. 33, Xilian Development Zone, Danzao Town, Nanhai District, Foshan City (registered address), registered with the Market Supervision Administration of Nanhai District, Foshan City, with Wu Xuanyu as the legal representative. Its business scope includes general projects such as pump and vacuum equipment manufacturing; Sales of pumps and vacuum equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Manufacturing of specialized machinery and equipment for water resources; Sales of mechanical equipment; Sales of fiberglass and related products; General equipment manufacturing (excluding special equipment manufacturing); Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Development of intelligent water management system; Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Maintenance of electronic and mechanical equipment (excluding special equipment); Installation services for ordinary mechanical equipment; Information technology consulting services; Environmental consulting services; Engineering and technological research and experimental development (excluding the development and application of human stem cells, gene diagnosis and treatment technologies, rare and unique precious and excellent varieties in China); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Water pollution control; Municipal facility management; Import and export of goods; Technology import and export; Water related consulting services; Manufacturing of specialized equipment for plastic processing; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Wastewater treatment and its recycling; Water pollution prevention and control services; Internet of Things application services; Manufacturing of hydraulic power machinery and components; Sales of hydraulic power machinery and components. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed project: construction project construction. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses issued by relevant departments.) (The above projects do not involve special management measures for foreign investment access.). Core products: Constant Pressure Variable Frequency Water Supply, Storage Tank Equipment, Integrated Sewage Interception (Flow) Well

Featured Product

Wopu Box type Non negative Pressure Water Supply Equipment Stainless Steel Water Tank Constant Pressure Variable Frequency Water Supply System Source Manufacturer Customization

TOP4

Overall Score4.7 / 5

Est. Date2024-07-02

Registered Capital3000K CNY

Airuihe (Shandong) Smart Agricultural Equipment Co., Ltd., registered at No. 725 Longhua Street, Nanhu District, Zhucheng City, Weifang City, Shandong Province (west of Zhuri Road south of the South Outer Ring Road), registered with Zhucheng Market Supervision and Administration Bureau, with Guo Lun as the legal representative. Its business scope includes general projects such as agricultural machinery manufacturing; Sales of intelligent agricultural machinery and equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of specialized machinery for agriculture, forestry, animal husbandry, animal husbandry, and fisheries; Research and development of Internet of Things technology; Internet of Things technology services; Irrigation services; Park management services; Crop cultivation services; Intelligent agricultural management; Agricultural specialties and auxiliary activities; Mixing and processing of soil and fertilizer; Fertilizer sales; Fertilizer sales; Research and development of greenhouse gas emission control technology; Installation and maintenance of specialized machinery for agriculture, forestry, animal husbandry, and fisheries; Construction of landscaping and greening projects; Software development; Computer system services; Cloud computing equipment technology services; Digital technology services; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: fertilizer production. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Constant Pressure Variable Frequency Water Supply, Fertigation Machine, Fertilizer Bucket

Featured Product

Fully automatic water fertilizer integrated machine, frequency conversion constant pressure water supply, high standard farmland construction, integrated irrigation and fertilization machine

TOP5

Overall Score4.7 / 5

Est. Date2009-04-24

Registered Capital6000K CNY

Yunnan Haoquan Water Treatment Equipment Co., Ltd. is located in the third city of Kunming Economic Development Zone Export Processing Zone, Yunnan Province No. A4-1502, 13th Floor, Building A4, Impression Xincheng, established on April 24, 2009, registered with the Kunming Municipal Administration for Market Regulation, with Yu Bin as the legal representative. Core products: Constant Pressure Variable Frequency Water Supply

Featured Product

Frequency conversion constant pressure water supply equipment intelligent integrated pump room factory high-rise pipeline direct drinking water source manufacturer

TOP6

Overall Score4.6 / 5

Est. Date2002-12-09

Registered Capital10000K CNY

Waiqi Industrial Equipment (Suzhou) Co., Ltd., located at Room 5, No. 299 Yuyang Road, Yushan Town, Kunshan City, was established on December 9, 2002. The registered authority is Kunshan Data Bureau, and the legal representative is Deng Kunpeng. Core products: Constant Pressure Variable Frequency Water Supply

Featured Product

DRL constant pressure variable frequency water supply equipment made of stainless steel material, efficient and energy-saving, fully automatic operation

TOP7

Overall Score4.6 / 5

Est. Date2011-03-21

Registered Capital20000K CNY

Dadonghai Pump Industry Wuxi Co., Ltd. is registered in Shanlian Village, Donggang Town, Xishan District, Wuxi City. The registration authority is the Xishan District Administrative Approval Bureau of Wuxi City, and the legal representative is Liu Ya. The business scope includes the manufacturing, processing, and sales of pumps, valves, three-phase asynchronous motors, and automatic control equipment; Sales of electromechanical equipment and hardware accessories. General projects: Manufacturing of industrial control computers and systems; Sales of industrial control computers and systems; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Research and development of distribution switch control equipment; Manufacturing of power facilities and equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Manufacturing of metal products for safety and firefighting purposes; Sales of firefighting equipment; Sales of security equipment; Fire technology services; Sales of metal products; Installation services for ordinary mechanical equipment; Residential water and electricity installation and maintenance services; General equipment repair; Electrical equipment repair; Information system operation and maintenance services (except for projects that require approval according to law, conducting business activities independently with a business license in accordance with the law). Core products: Constant Pressure Variable Frequency Water Supply, Wqr High-Temperature Resistant Sewage Pump, Control Box For Sewage Pump

Featured Product

Non negative pressure constant pressure variable frequency water supply equipment, secondary pressure reverse osmosis equipment for high-rise residential areas, purified water equipment

TOP8

Overall Score4.6 / 5

Est. Date2004-05-27

Registered Capital50000K CNY

Weifang Huili HVAC Equipment Co., Ltd. is located in Gaojia Village, Fangcheng Street Office, Fangzi District, Weifang City, Shandong Province. It was established on May 27, 2004 and registered with the Market Supervision Administration of Fangzi District, Weifang City. The legal representative is Zhao Yulong. Core products: Constant Pressure Variable Frequency Water Supply

Featured Product

Constant pressure variable frequency water supply equipment for tap water secondary pressurization, stable water pressure, energy saving and consumption reduction support customization

TOP9

Overall Score4.5 / 5

Est. Date2014-05-09

Registered Capital10000K CNY

Lanzhou Shuizhiyuan Water Supply Equipment Co., Ltd. is located at Room 1804, 18th Floor, No. 63 Jiuzhou Avenue, Jingyuan Road Street, Chengguan District, Lanzhou City, Gansu Province. It was established on May 9, 2014 and registered with the Market Supervision and Administration Bureau of Chengguan District, Lanzhou City. The legal representative is Li Shuai. Core products: Constant Pressure Variable Frequency Water Supply

Featured Product

Non negative pressure water supply equipment, pressurization unit, customized service for secondary water supply in high-rise buildings

TOP10

Overall Score4.4 / 5

Est. Date2023-11-10

Registered Capital50000K CNY

Shanghai Baijiang Pump Manufacturing Co., Ltd., with its registered address at Building G176, No. 2, Lane 158, Gangye Road, Xiaokunshan Town, Songjiang District, Shanghai, is registered with the Songjiang District Administration for Market Regulation. The legal representative is Yang Yihua, and its business scope includes general projects such as pump and vacuum equipment manufacturing; Sales of pumps and vacuum equipment; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Valve and plug research and development; Sales of valves and plugs; Motor manufacturing; Manufacturing of generators and generator sets; Sales of generators and generator sets; Research and development of motors and their control systems; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of industrial control computers and systems; Sales of industrial control computers and systems; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Research and development of distribution switch control equipment; Manufacturing of power facilities and equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Manufacturing of metal products for safety and firefighting purposes; Sales of firefighting equipment; Sales of security equipment; Wholesale of hardware products; Fire technology services; Sales of metal products; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Installation services for ordinary mechanical equipment; Residential water and electricity installation and maintenance services; General equipment repair; Electrical equipment repair; Information system operation and maintenance services; Development of intelligent water management system; Software development; Research and development of Internet of Things technology; Technology import and export; Import and export of goods. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Constant Pressure Variable Frequency Water Supply, Isw Horizontal Centrifugal Pump, Isg Vertical Pipeline Pump

Featured Product

WWG High Zone Non Negative Pressure Constant Pressure Variable Frequency Water Supply Equipment Secondary Pressure Water Supply Equipment Domestic Water Supply Equipment

Detailed Manufacturer Comparison

Manufacturer	Est. Date	Main Products	Registered Capital	Customization
Shanghai Auska Pump Industry Group Co., Ltd	2021-07-14	Constant Pressure Variable Frequency Water Supply, Pipeline Pump, Multistage Pump	30000K CNY	Not Supported
Changzhou Bairuida Water Treatment Technology Co., Ltd	2013-10-31	Constant Pressure Variable Frequency Water Supply, Fully Automatic Water Softener, Self Cleaning Filter	10000K CNY	Not Supported
Foshan Wopu Machinery Co., Ltd	2017-09-26	Constant Pressure Variable Frequency Water Supply, Storage Tank Equipment, Integrated Sewage Interception (Flow) Well	200K EUR	Supported
Airuihe (Shandong) Smart Agricultural Equipment Co., Ltd	2024-07-02	Constant Pressure Variable Frequency Water Supply, Fertigation Machine, Fertilizer Bucket	3000K CNY	Supported
Yunnan Haoquan Water Treatment Equipment Co., Ltd	2009-04-24	Constant Pressure Variable Frequency Water Supply	6000K CNY	Not Supported
Waiqi Industrial Equipment (Suzhou) Co., Ltd	2002-12-09	Constant Pressure Variable Frequency Water Supply	10000K CNY	Not Supported
Dadonghai Pump Industry Wuxi Co., Ltd	2011-03-21	Constant Pressure Variable Frequency Water Supply, Wqr High-Temperature Resistant Sewage Pump, Control Box For Sewage Pump	20000K CNY	Not Supported
Weifang Huili HVAC Equipment Co., Ltd	2004-05-27	Constant Pressure Variable Frequency Water Supply	50000K CNY	Not Supported
Lanzhou Water Source Water Supply Equipment Co., Ltd	2014-05-09	Constant Pressure Variable Frequency Water Supply	10000K CNY	Not Supported
Shanghai Baijiang Pump Manufacturing Co., Ltd	2023-11-10	Constant Pressure Variable Frequency Water Supply, Isw Horizontal Centrifugal Pump, Isg Vertical Pipeline Pump	50000K CNY	Supported

Purchasing Guide

Based on real user feedback, we provide the following suggestions:

For procurement needs that require constant pressure variable frequency water supply, it is recommended to prioritize checking key parameters such as head, flow range, and frequency conversion accuracy to ensure that they match the actual pressure requirements of building water supply or industrial circulation systems.
When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support or platform statistical information. These suppliers usually have more stable equipment performance in municipal water or park water supply projects.
In high-rise buildings or centralized water supply scenarios, the energy-saving efficiency and noise control indicators of constant pressure variable frequency water supply need to be evaluated with emphasis. Different scenarios have significant differences in the requirements for the continuous operation stability of equipment.
If the procurement involves the renovation of old pipeline networks, attention should be paid to whether the constant pressure variable frequency water supply equipment provided by the supplier is suitable for complex working conditions, and the applicability of past project cases should be verified by combining industry data.

Ranking Evaluation Method

This ranking is generated based on public data from Baidu B2B platform and common industry assessment dimensions, focusing on enterprise activity, business qualifications, product matching and industry performance to provide valuable manufacturer ranking information for buyers.

Dimension	Description
Data Source	Multi-dimensional data including platform public data, enterprise certification, user reviews, and transaction records
Assessment	Comprehensive indicators including enterprise activity, qualifications, product quality, service capability, and user reputation
Update Frequency	Ranking data is updated daily to ensure timeliness and accuracy
Suggestion	Rankings are for reference only. We recommend comprehensive evaluation based on actual needs

Detailed Manufacturer Comparison

Purchasing Guide

Ranking Evaluation Method

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