DUALPUMP CONTROLLER

Certification:

Hunan Leading Technology Development Co., Ltd
Hunan Leading Technology Development Co., Ltd
Hunan Leading Technology Development Co., Ltd

LEADING PRODUCT

PROVIDE PUMP CONTROL AND PROTECTION SOLUTIONS FOR PUMP USERS.

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SL-T22

This product is primarily designed for the protection and control of up to two directly started single-phase sewage lifting pumps.

SL-T21

This product is primarily designed for the protection and control of a directly started single- phase sewage lifting pump .

SLE22

The controller is useful in all cases we need to control and protect duplex pump managing its turn-on and turn off by different electric installations.

SLE21

The controller is useful in all cases we need to control and protect single pump managing its turn-on and turn off by different electric installations.

ABOUT US


  Since 2001, Leading Science & Technology company has been provide pump control and protection solutions for pump users.
  Today Leading Science & Technology offers a wide range of pump control panel & pump control accessories for the pump control and protection market.
  Our philosophy has not changed :To provide quality, variety and system solutions for our pump users.
  2001, LEADING company established, focusing on production, science and technology research and development, global sales and after sales service for intelligent pump controller in water pump market.
  2002-2003, We set up the factory in Changsha city, successfully developed China's first sensor free installation intelligent deep well submersible pump controller and bring to the pump market.
  2004, Obtained the national invention patent certificate, certificate of design for intelligent pump controller from China's State Intellectual Property Office (SIPO).
  2005, Set up international marketing department and export to international pump market.
  2006-2009, Successfully developed China's first One-Push button parameter calibration, power factor protection, anti-corrosion probe etc pump control and protection technology.
  2012, Acquired the title of Hunan High Tech Enterprise from local government.
  2013-2014, Leading intelligent pump controller passed the strict test, successfully become the auxiliary control unit of some big pump manufacturer overseas.
  2015, Successfully launched Non-Contact Sewage Pump Control System and apply to Changsha metro sewage system.
  2017, Moved into new factory and expanded production scales, Leading has gone to a new level.
  2018, With the expanded production scales, our annual sales come to a top in our history.
  2019-2020, Covid-19 overwhelming the world. All LEADING staff working tightly overcome the hard time. And we send some mask to our customer to help them out of the difficult situation.
  2021, In the post-epidemic era, production and business have resumed. Sales performance reaches new highs.
  2022-2024, Our products and services are sold to more than 100 countries and regions around the world.
  We are committed to providing customers with better products and services. Leading is on the way. Keep moving forward!

2005

ESTABLISHMENT TIME

YEAR

100 +

BUSINESS SCOPE

COUNTRIES

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图片名称

HONOR

PROFESSIONAL MANUFACTURER OF INTELLIGENT WATER PUMP CONTROLLERS

ISO
Single phase control box test report and certificate
Single phase control box test report and certificate
Three phase control box test report and certificate
Three phase control box test report and certificate

The product has passed lSO quality

certifcation and all qualifcations are complete

• WON THE GOLD AWARD AT THE CHINA INTERNATIONAL PATENT AND BRAND EXPO

• THE PRODUCT HAS PASSED THE EU CE QUALITY MANAGEMENT SYSTEM CERTIFICATION

• THE PRODUCT HAS PASSED THE ISO QUALITY MANAGEMENT SYSTEM CERTIFICATION

• AWARDED THE CERTIFICATE OF HIGH-TECH ENTERPRISE

• AWARDED AAA CREDIT RATING ENTERPRISE CERTIFICATE AND BRONZE MEDAL

09/16

2026

Optimizing Deep Well Pump Control in Water Engineering: A Guide to Automation Technologies

In the realm of water engineering, deep well pump control plays a crucial role in efficient water distribution and management. These systems are essential for drawing water from underground aquifers and supplying it for various applications, including irrigation, municipal water supply, and industrial processes. Understanding the mechanics and technologies behind deep well pump control is vital fo

09/13

2026

The Role of Pressure Controllers in Optimizing Water Pump Performance

The Role of Pressure Controllers in Optimizing Water Pump Performance Introduction to Pressure Controllers and Their Importance In the world of fluid dynamics, maintaining optimal performance in water pumps is crucial for efficiency and reliability. Pressure controllers play an essential role in this process. By regulating the pressure in pumping systems, they ensure that water is delivered at

09/10

2026

Understanding Water Pump Controller Boxes for Submersible Pumps: A Guide for Professionals

Water pump controller boxes for submersible pumps play a crucial role in the operation and management of these essential devices. These controller boxes serve as the control hub, regulating the power supply and operating conditions of submersible pumps, which are widely used in various applications such as agricultural irrigation, groundwater extraction, and industrial processes. One of the primar