Shandong Lee crown of Electronic Science and Technology Co., Ltd., Tel: Caojing Li 15953810777, Shandong Lee crown of Electronic Science and Technology Co., Ltd. is specialized in producing high-voltage inverter rig dedicated inverter, improve machine special inverter frequency heating power supply, constant pressure water supply control cabinet the, KJPT series of mine with explosion-proof and intrinsically safe electrical submersible pump voltage inverter, a variety of low voltage general purpose inverter and traction network of leakage protection, BKT-1 to enhance the comprehensive protection WDT-1-type temperature instrument remote power monitoring system, air compressor microcomputer protection device fan remote control system, air compressor remote control system, flameproof electric meter, mobile switches, digital hedging signal device, sound and light language signals, explosion-proof switch check Taiwan etc. . Concurrently such as mechanical and electrical products, mining accessories, rubber products.