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Guangzhou Sanjing Electric Co., Ltd.
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We offer prompt delivering services to customers for winning their loyalty. We have localized service network, with 16 branch offices and 50 service centers in China, Germany, Switzerland, Belgium, Netherlands, UK, Denmark, Poland, Brazil, Mexico, India, Sri Lanka, Thailand, Australia, etc.

Our Culture

Our Core Values

Social Responsibility


Our Solutions

ApoaWe provide effective solutions for the following:-

  • AC Drive:
    • Computer numerical control (CNC)
    • Air supply system
    • Industrial Washing Machine
    • Oil Pumping Unit
    • Two-for-One Twister
    • Residential rooftop system
  • Solar Inverter:
    • Residential rooftop system
    • Commercial rooftop system
    • Utility-scale system
  • Pump Drive:
    • Raw water purification system
    • Firefighting watering system
    • Commercial agriculture irrigation system
    • Water supply and pressurization system
    • Rainwater collection system
    • Collecting and transporting
  • Solar Pumping System:
    • Agricultural irrigation system
    • Domestic water supply system
    • Husbandry water supply system
    • Pool System
    • Agricultural greenhouse water supply
    • Water Treatment System
    • Landscape fountain system
    • Desert Control System
    • Barren hill control system
  • Smart Control:
    • Smart Office -Electric Height Adjust

Our Services

  • System Design
    • PV power generation systems
    • Solar pumping systems
    • Motor drive and control systems
  • Download center
    • Product manuals
    • Product certificates
    • Catalog
    • Qualification Certificate
  • Expert Answers
    • FAQ regarding water supply common problems and solutions
  • Advice Feedback
  • Product Warranty

Our Awards

We won many awards for our services and quality-assured products such as Solar Pump Inverter, Water Pump Driver etc. They are:National high-tech enterprise

Our Milestones




  • We moved into industrial automation business
  • We established AC drive as our core busines
  • SAJ Electric was founded


  • Cost-effective brand in the AC Drive industry
  • We launched 8000 Series AC Drive


  • We received certificate of private science and technology enterprise
  • We have obtained certificate of National High-tech Enterprise
  • Our business unit has obtained certificate of National High-tech Enterprise
  • We received Import and Export business enterprise qualification certificate
  • We have Import and export business enterprise qualification certificate
  • Our headquarter was moved to the Science City of Guangzhou High-tech Industry Development Zone


  • We successfully applied in injection molding machine industry
  • We advanced design and manufacturing of servo drives
  • Recognized as best potential growth brand
  • We received FT Boldness award in 2000-2010 in China automation marketing decade
  • Breakthrough vector control platform successfully
  • In Harbin institute of technology, we established AC Drive technology research center
  • We passed ISO 9001:2008 international quality management system authentication


  • We obtained TUV, SAA, G83 certificates
  • We obtained Intertek Authorized Satellite  qualification
  • In South China University of Technology, we established the research and innovation center
  • For solar inverters R&D, we set up a renew energy dept.
  • In 2011, we obtained Good Faith and Credit Enterprise AwardGrade)
  • We obtained Guangdong software product certificate
  • We adopted the new ERP system


  • With a total investment of CNY 35 million, production workshop in SAJ Innovation Park started, which is built with expected 300,000 units capacity annually
  • Our service hotline upgraded: 400-159-0088
  • Released 500,000th AC Drive offline successfully
  • We released 8000B enhanced AC Drive


  • In China in 2013, we become top 10 Solar Inverters Brand
  • Won Solar Product Innovation Award
  • SAJ Solar Inverters Products widely reported by CCTV with reliability and high quality
  • Set up SAJ wholly owned subsidiary in Belgium, with implementation of localization services strategy
  • In Guangdong Development Zone relayed on patents were created, SAJ was recognized as Top 20 Enterprise


  • We were re-awarded as Top 10 Solar Inverters Enterprise in China
  • We released PDS23 Series high performance AC solar pump controllers and complete solutions
  • We won the tender for the largest solar project in Belgian community
  • We become Top Chinese Brand pump drive industry
  • SAJ capacity for solar inverter was increased to 1GW and The phase I of SAJ Innovation Park finished
  • We passed ISO 14001:2004 environmental management system tests
  • We entered water services area, launched 8200B Series high protection smart pump drive
  • Professor Lin Feng, Chinese-American scientist and a IEEE academician, joined our team
  • Our Solar Inverters used successfully in the first so called photovoltaic village in Lianyungang, Jiangsu province, China


  • We obtained the qualification of Guangdong Solar Inverters Engineering technology research center
  • We were awarded Excellent Supplier for On-grid string solar inverters
  • We were awarded TOP 10 Solar Inverters Enterprise
  • We were awarded 2015 ‚Asian TOP 10 Innovation Enterprise for Solar Products
  • We launched PDM20 Series smart pump drive
  • We were certified by OHSAS18001 occupational health and safety management system
  • We won the title of Little Giant of Science and Technology Enterprise in Guangzhou


  • We participated in the first solar thermal plus solar power marketing forum in Shandong province
  • We were awarded as the Top 10 Influencial Company in China
  • We won the title Top 100 of The First Batch of Chinese Leading Enterprises in Renewable Energy Industry


  • Our Solar Academy (Foshan Station) Started Officially
  • We become TOP 30 Pioneer in science and technology innovation in the Power of Model---Science and Innovation Competition
  • We were titled company with 10 highlights in SNEC, won GW gold prize
  • We announced its Solar Academy started officially in SNEC 2017
  • We won 2017 Asian Photovoltaic Awardphotovoltaic application award 
  • For starting the optimized project joined hand with Mercer Management Consulting