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.

VIEW MORE Hunan Leading Technology Development Co., Ltd

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

VIEW MORE Hunan Leading Technology Development Co., Ltd
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

09/30

2026

Celebrate National Day, Write a New Chapter — Hunan Leading Technology Development Co., Ltd. Wishes Our Motherland Prosperity

On the 76th anniversary of the founding of the People’s Republic of China, all staff of Hunan Leading Technology Development Co., Ltd. (LEADING) extend sincere blessings to our great motherland, and express heartfelt gratitude to customers, partners and friends from all walks of life who have long cared for and supported the development of our company.

09/30

2026

Understanding Pump Controllers for Sewage Pumps: Enhancing Efficiency and Reliability

When it comes to managing sewage systems, the efficiency and reliability of sewage pumps are paramount. A critical component in ensuring these pumps operate smoothly is the pump controller. This device plays a vital role in the automation and regulation of sewage pumps, making it a key factor in the overall performance of sewage systems. A pump controller for sewage pumps is designed to monitor an

09/29

2026

Duplex Water Pump Controller: Smart Control Solutions for Reliable Dual Pump Management

Duplex water pump controller offers smart control for dual pumps with automatic switching, protection, stable operation