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    Business Portfolio

    Air Pollution Control

    Electronic Control Technology and Products

    For more than 40 years, Longking has been innovating and taking the lead in developing a series of iconic key electronic control technologies in the dust removal industry, filling a number of domestic technology gaps. Longking has complete electronic control technology and products, and is widely used in power, metallurgy, building materials and other fields, with a market share of about 30%.

    100+ authorized patents

    Annual production of 5,000+ sets of High and Low Voltage, Power Distribution (MNS, GGD, KYN, GCJ etc.) equipment and 200+ sets of intelligent systems

    Possess the most complete dust removal electronic control product line at home and abroad

    With the applications of over 10,000+ sets of High-frequency Power Supply, over 1,000+ sets of Su-Pulse Power Supply and over 1,000+ sets of Variable Frequency Power Supply

    Key Technology

    High-frequency Power Supply

    Pulsed Power Supply

    Variable Frequency Power Supply

    Three-phase Power Supply

    IPEC Intelligent Precipitator Energy-saving Control System

    IPC AI System

    • Domestic initiative, international advanced level
    • The first drafting enterprise for industry standards
    • The first drafting enterprise for industry standards
    • Application performance exceeds 10,000+ sets and exported to more than 50 countries
    • Domestic initiative, international advanced level
    • Various basic power sources can be optionally selected
    • Emission reduced to more than 30% while energy saving by 30%-70%
    • Application performance exceeds 10,000+ sets and exported to more than 50 countries
    • Domestic initiative, international advanced level
    • The first drafting enterprise for industry standards
    • Reduce dust emissions by more than 30% and save energy by more than 30%-70%
    • Widely used in particularly harsh environments
    • Domestic leading level
    • High-power, split arrangement
    • Improve dust removal efficiency and reduce dust emissions by more than 30%
    • Adapt to harsh environments
    • Independent research and development, domestic initiative, international advanced level
    • Excellent energy-saving effect, with an average energy saving of more than 50% and a maximum of 90%
    • Working condition characteristic analysis model and quantitative evaluation technology
    • Multi-parameters closed-loop control system
    • Apply advanced AI algorithms such as RNNand PSO to achieve optimal control
    • Accurate edge control of power plant outlet emissions
    • Deep energy saving and efficiency improvement

    Classic Case

    High-frequency Power Supply application in Anhui CHD Wuhu Power Plant 2 × 1000MW units ESP

    • High-frequency Power Supply application in Anhui CHD Wuhu Power Plant 2 × 1000MW units ESP

      High-frequency Power Supply application in Fujian CHD Shaowu 2x660MW units ESP

      High-frequency Power Supply application in Hebei Longfengshan Foundry 1# Sintering Machine ESP

      High-frequency and Pulsed Power Supply application in Shenzhen Mawan Power Plant 6x300MW Units

      Power Supply application in Tibet Shigatse High-tech Snow Lotus Cement 2500td clinker cement production line

    • Power Supply application in Nanchang Fangda Steel Works 245 Flat Sintering Machine

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    Address：No. 19, Gongye Middle Road, Longyan, Fujian.  
    Phone：+86-597-2293213