Doyin Pumps | High-Performance Water Pump Solutions

About Doyin

With decades of engineering excellence, Zhejiang Doyin Technology Co., Ltd. has become a trusted name in pump manufacturing, delivering reliable and efficient solutions across global markets.

Founded

1998

Yearly Output

Over 500,000 Units

Company Area

80,000 m²

Fast Delivery

Within 15 Days

Our Commitment to Excellence

Zhejiang Doyin Technology Co., Ltd. specializes in the research, development, manufacturing, and sales of a wide range of pumps, including deep well pumps, submersible pumps, sewage pumps, surface pumps, and circulation pumps. Our mission is to deliver innovative, energy-efficient, and durable pumping solutions tailored to meet the evolving needs of our global customers.

With a strong focus on quality control, advanced production equipment, and continuous R&D investment, Doyin has earned international certifications and recognition as a Demonstration Enterprise in Zhejiang Province. We are committed to shaping a sustainable future through smart water management technologies.

Advanced Manufacturing Facilities

Metalworking Shop

Precision machining with CNC technology ensures consistent quality and dimensional accuracy across all components.

Stainless Steel Welding Workshop

Fully automated welding systems ensure leak-proof, corrosion-resistant joints for long-lasting performance.

Cable Workshop

In-house cable production guarantees optimal electrical safety and durability under extreme conditions.

Assembly Workshop

Cleanroom-style assembly lines ensure contamination-free integration of all pump systems.

Smart Warehouse

Automated logistics system enables fast order processing and global shipment within 15 days.

R&D Center

Our innovation hub drives new product development with CFD simulation, material testing, and performance validation.

Our Product Range

Engineered for performance, durability, and efficiency – Doyin pumps serve diverse industries worldwide.

4SD Series

High-efficiency deep well submersible pump for agricultural and municipal water supply.

Flow Rate: 4–12 m³/h
Head: Up to 300m
Power: 3–7.5kW
Material: Stainless Steel 304/316

2SD Series

Compact submersible pump ideal for residential and light industrial applications.

Flow Rate: 2–6 m³/h
Head: Up to 180m
Power: 1.1–4kW
Motor: Oil-filled, thermally protected

SCM Series

Heavy-duty sewage pump with vortex impeller for solids handling.

Flow Rate: 10–60 m³/h
Head: Up to 40m
Passage: 50mm max solid passage
Seal: Double mechanical seal

6SP Series

Self-priming surface pump for irrigation and industrial transfer.

Flow Rate: 15–50 m³/h
Head: Up to 60m
Suction Lift: 8m dry
Motor: IE3 High Efficiency

4SP Series

Closed-coupled circulation pump for HVAC and heating systems.

Flow Rate: 3–20 m³/h
Head: 10–30m
Connection: Flanged or threaded
Control: Manual or automatic speed

Submersible Motors

High-torque, water-filled motors designed for continuous underwater operation.

Power Range: 0.5–15kW
Voltage: 220–415V, 3-phase
Insulation: Class F
Protection: IP68

Custom Pump Solutions

Tailored designs for special applications including high temperature, corrosive fluids, and explosive environments.

Materials: Duplex, Hastelloy, Titanium
Standards: API, ANSI, ISO
Testing: Full performance and NDT
Support: Engineering consultation

Smart Pump Controllers

Intelligent control panels with IoT connectivity for remote monitoring and energy optimization.

Features: VFD, dry-run protection
Communication: RS485, Modbus, Wi-Fi
Display: Touchscreen HMI
Compliance: CE, UL listed

View Full Product Catalog

Quality Control

Every Doyin pump undergoes rigorous testing and inspection to ensure world-class reliability and performance.

Certifications

ISO 9001, ISO 14001, CE, RoHS, and other international standards ensure compliance and safety.

Inspections

100% motor testing, hydrostatic pressure tests, vibration analysis, and final performance validation.

Advanced Equipment

Automated production lines, CNC machines, and digital QA systems ensure precision and consistency.

Latest News

Stay updated with Doyin’s milestones, exhibitions, and industry insights.

08.06.22

DONGYIN at XXII FENAGUA FAIR

Participated under the theme "Groundwater: invisible, indivisible and indispensable", showcasing new submersible pump technologies.

09.22.22

Entered Made-in-China.com

Successfully listed on one of China’s largest B2B platforms, expanding global reach and digital presence.

12.05.21

Demonstration Enterprise 2021

Awarded as Zhejiang Province Credit Management Demonstration Enterprise for outstanding business integrity.

Support & Downloads

Access technical documents, FAQs, and expert support for your Doyin pump systems.

Frequently Asked Questions

How do I select the right pump for my application?

Contact our engineers with your flow, head, fluid type, and operating conditions for a customized recommendation.

What is the warranty period?

Doyin offers a standard 18-month warranty on all pumps and motors, extendable with service contracts.

Do you offer OEM/ODM services?

Yes, we provide full OEM and ODM capabilities with custom branding, packaging, and technical modifications.

Download Center

Contact Doyin

Get in touch with our team for inquiries, quotes, or technical support.

Address

No.19 South of Songhang Road, Eastern New District, Wenling, Zhejiang, China

Phone

+86-576-86331298

+86-576-86338881

Email

doyin@doyin.com

Fax

+86-576-86332358

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