[The DC Controlled Price the DC Controlled Model], Tel: 15953810777 Manager Cao, Shandong Lee crown of Electronic Science and Technology Co., Ltd. is specialized in producing high-voltage inverter, special inverter rig enhance the machine-specific change in frequency, frequency heating power supply, constant pressure water supply control cabinet, high voltage inverter series KJPT series of mine explosion-proof and intrinsically safe type inverter, electric submersible pump voltage inverter, low voltage Universal inverter and traction network leakage protection, BKT-1 to enhance the comprehensive protection WDT-1-type temperature logging devices, remote power monitoring system, air compressor microcomputer protection device fan remote control system, air compressor remote control system, the flameproof electric meter, portable switch, digital hedging signal device, sound and light language signals, explosion-proof switch check station.