Our Company– Wangyang PUMP

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Company Profile

Nanjing Wangyang Pumps Co., Ltd.

A Professional Pump Manufacturer with Global Reach

Founded in 1998, Nanjing Wangyang Pumps Co., Ltd. is a dedicated manufacturer specializing in the design and production of pumps, environmental protection equipment, and driver. Leveraging internationally advanced technologies, our product portfolio covers four core categories, tailored to meet diverse industrial and engineering needs:
• Deep Well Pumps: Including vertical turbine pumps and submersible turbine pumps
• Centrifugal Pumps: Comprising horizontal centrifugal pumps (single-stage double-suction & single-stage end-suction types) and vertical centrifugal pumps (vertical inline & vertical multistage types)
• Fire Pumps: A full range of specialized pumps for fire safety applications
• Environmental Protection Equipment: Encompassing submersible sewage pumps, submersible mixers, submersible flow propellers, submersible reflux pumps.
• Driver: Right angle pump driver and vertical hollow shaft motor for vertical turbine pump to be driven by diesel engine and electrical power

Global Product & Service Provider

Our products have gained wide recognition among domestic and international customers, thanks to their advanced structure, excellent performance, high reliability, and competitive pricing. To date, our solutions have been exported to over 50 countries and regions worldwide, including the United States, Canada, Germany, France, Italy, Denmark, Bulgaria, Greece, Australia, Turkey, Mexico, Argentina, Brazil, India, Saudi Arabia, UAE, Iran, Pakistan, Korea, Vietnam, Philippines, Indonesia, Thailand, and etc.

They are extensively applied across key sectors such as:
Water Conservancy and Hydropower Project
Mining and Metallurgical Engineering
Petrochemical project
Construction and Fire Fighting Engineering
Municipal Engineering
Agricultural Irrigation
Ocean Development

Rigorous Quality Control & Authoritative Certifications

We have established a comprehensive quality management system covering the entire production lifecycle—from casting, machining, and assembly to testing. Our Pump Testing Center, spanning 2,000 square meters, is built to meet the precision requirements of ISO 2548 Class B (international standard) with a testing range of:

1.Power: 0–1,500 kW
Flow rate: 0–12,000 m³/h
Head: 0–450 m

As a recognized "Contract-Abiding and Trustworthy Enterprise," we hold:
ISO 9001 Quality Management System Certification (awarded by the UK-based Guardian Certification since 2013)
CCCF Fire Product Certification (issued by the Ministry of Public Security of the People’s Republic of China)
CE Certificate
We are also among the few manufacturers in the industry equipped with large-scale pump testing capabilities, featuring computerized data collection and processing for precise, reliable test results.

Our Vision

In this new era, Nanjing Wangyang Pumps Co., Ltd. is committed to advancing joint ventures and cooperation with leading domestic and international enterprises. We will further upgrade our management expertise and technical capabilities to strengthen our competitiveness in global and domestic markets—all in service of revitalizing China’s pump industry.

We sincerely welcome friends from home and abroad to visit our company and explore potential collaborations!

Why Choose Us

State-of-the-Art Techniques

By adopting state-of-the-art techniques from USA and Germany, Wangyang Pumps devotes to produce pumps with high efficiency, stable performance, and long using life.

Professional Manufacturing and Solution

Owns 30 years of experience in pump industry, and participated in more than 1000 projects at home and abroad. wide range of hydraulic conditions to meet virtually every pumping service in the industry with optimum efficiency

Strict Quality Control

In the era of the proliferation of small workshops, Wangyang Pumps insists a high exported standard from the raw materials purchasing to final test over the last 30 years, so that to ensure each pump to achieve the best performance.

Competitive Price

Adhering to the principle of low profit with high market share, Wangyang Pumps optimizes the cost through efficient production management on the premise of high quality on raw materials and machining process, so that to provide the competitive price for our clients.

Fast Delivery Time

Adequate spare parts inventory leads to the fast delivery time for our regular models.

Consummate After-sales Service

24-hours after-sales response mechanism provides the users with technical consultation, installation instruction, corrective maintenance, spare parts replacement, and other services.

Factory Tour

Certifications

Quality Management Process

Pre-Production Quality Preparation & Planning

Quality Standardization:
• Technical parameters: Flow rate, head, power consumption, noise level, and vibration.
• Material requirements.
• Process standards: Machining precision, assembly clearance, and welding quality or incomplete fusion.
Personnel Training & Certification:
• New employees training.
• Specialized personnel qualification certificates.
Equipment & Testing Tool Calibration:
• Machining equipment (CNC lathes, machining centers): Calibrate geometric accuracy and cutting precision.
• Testing tools with calibration certificates.

Incoming Quality Inspection (IQC) of Raw Materials & Spare Parts

Sampling Plan: Adopt the AQL (Acceptable Quality Level) standard.
Inspection Items & Methods:
• Material Verification.
• Dimensional Inspection.
• Performance Testing for Spare Parts.
Disposition of Unqualified Materials:
• Mark with "unqualified" label.
• Issue a Non-Conformance Report (NCR).
• Track the disposal progress and retain NCR records for 5 years.

In-Process Quality Control (IPQC)

Key Process Identification: Impeller machining (affects flow and head), pump body casting (affects pressure resistance), shaft-seal assembly (affects sealing performance), and motor-pump alignment (affects vibration and noise).
Process Monitoring Methods:
• First Article Inspection (FAI).
• In-Process Sampling Inspection.
• Real-Time Data Monitoring.
Defect Handling in Production:
• Stop the relevant process.
• Conduct a root cause analysis.
• Implement corrective actions.

Finished Product Quality Inspection (FQC)

Appearance Inspection:

• Surface condition: No scratches, rust, or paint defects.
• Marking: model, serial number, rated parameters, and safety warnings.
Performance Testing:
• Flow-Head Curve Test.
• Efficiency Test.
• Sealing Test.
• Vibration & Noise Test.
Pressure Test.
Acceptance Criteria.

Outgoing Quality Control (OQC)

Order Verification:

• Product model, quantity, and customized requirements.
• Supporting documents are complete.
Packaging Inspection:
• Inner packaging.
• Outer packaging.
Sampling Re-Inspection.

After-Sales Quality Tracing & Continuous Improvement

1.Quality Tracing System:

• Raw material batch numbers, production personnel, inspection records, and delivery information.
• If a customer reports a quality issue, use the serial number to trace the relevant records, identify the root cause.
Customer Feedback Handling:
• Respond to customer complaints within 24 hours.
• Issue a Customer Complaint Report.
• Follow up with the customer 1 month after the solution is implemented to confirm satisfaction.
Continuous Improvement:

• Hold a monthly quality review meeting to analyze:
- Incoming inspection rejection rate, in-process defect rate, and after-sales complaint rate.
- Key quality issues.
• Develop improvement plans and track the implementation effect.
• Update quality standards and training materials annually.