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  • PROFESSIONAL PUMP MANUFACTURER
    Zhejiang Dolay Pump Industry Co.,Ltd has been operating in the water pump industry for years. It is a company that is committed to study, develop, manufacture and integrate and industrialize the superior of various manufacturers.
     
  • 新增页签
    We offer to customers a big and specific range of submersible pumps for a large variety of uses: domestic and civil applications for deep water level, agricultural irrigation for big flow and heavy sand demand, industrial fields for chemical rast request, waste water and sewage applications driven by AC electricity and DC solar energy. We are one of earliest and most professional in building solar pumping systems and household solar system for customers.
     
  • 新增页签
    We devote to provide people the best quality and the best cost-effective water pumps and water solutions. We have professional engineering and strict QC team. We have rich experiences in different markets and professional knowleges of pumps and environment. All these gurantees our promises with our customers.
     

CERTIFIED PRODUCT

ISO9001 certification ensures that the Submersible Pump in the production and processing of a strict control system. CE certification guarantees the electrical function, hydraulic performance, power and parameters of the  Submersible Pump.

SERVICE

Katreeni Is A Company Dedicated To Research, Development, Manufacturing And Installation Of Pump Systems.
Supply Support
We Ensures The Product With
Good Quality,sufficientquantity And Diversification.
Quality Safety
We Own Professional Qualitymanagement And Process
Inspecion Team.
Service Team
We Have A Professionalcustomer Service Team Toanswer Your Doubts At Any.
Delivery ln Time
Advanced Productionequipment To Ensure Timely
Delivery Of Products.

POPULAR TRUST

The Reason for The Continuous Rise in Copper Prices

The copper price has seen a sharp rally, driven by three interlinked factors: persistent supply-side pressure, a new growth engine in demand, and a convergence of financial and policy expectations.Core Driving Factors1. Tightened Supply Frequent production accidents in global copper mines (e.g., Chi

2026-01-30
Maintenance of Deep Well Pumps

Maintenance of Deep Well Pumps(1) Daily Maintenance (Daily / Weekly)Operation status monitoringKey parameter records: flow rate, pressure (investigate deviations exceeding ±5%, possibly due to impeller wear or pipeline blockage), motor current (shut down if exceeding 10% of rated value);Abnormal jud

2026-01-19
How To Install A Deep Well Pump

Installation of deep well pump:(1) Preparation before installation:Well body and equipment verificationDiameter verification: The actual diameter of the well should be at least 50mm larger than the diameter of the pump body (if a 100mm pump body is selected, the diameter should be ≥ 150mm), and a di

2026-01-17
The Core Factors Behind The Rise in Copper Prices

Six core factors contributing to the rise in copper prices today1. Global copper mine supply continues to contract, intensifying mining and metallurgical conflictsGlobal copper mining capacity gap widens:Major copper mine production declines: Codelco in Chile (the world's largest copper mine) will s

2025-12-06

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ADD: NO.189 HENGSHI ROAD, HENGFENG INDUSTRY AREA, WENLING, TAIZHOU, ZHEJIANG PROVINCE,CHINA.

TEL: 0086-57686932269
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