Shandong Lee crown Electronic Technology Co., Ltd. \ \ 15953810777 Manager Cao is a manufacturer specializing in the production of high pressure to enhance conversion. Production of high pressure to enhance the frequency conversion quality, low price of high pressure to enhance frequency conversion, frequency conversion yield of high pressure to enhance the superior choice for wholesale purchases. The company also specializing in the production of high-voltage inverter rig special inverter to enhance the machine inverter frequency heating power, frequency conversion constant pressure water supply control cabinet, the high voltage inverter series KJPT series of mine explosion-proof and Intrinsically Safe inverter submersible pump, etc., voltage inverter and a variety of low voltage general-purpose inverters and traction network leakage protection, the BKT-1 to enhance the comprehensive protection, WDT-1 temperature data logging devices, remote power monitoring system, air compressor, computer protection device, fan remote control system, air compressor remote control systems, explosion-proof electric meter, mobile switches, several hedge signaling devices, sound and light verbal signals, explosion-proof switch checksum Taiwan. Concurrently mechanical and electrical products, industrial accessories, rubber products.