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[ Manufacturer ]Main business are Electric products, Unseal pipe.
[ Manufacturer ]Main business are Inflated microwave switch tube, Low voltage vacuum switch tube, etc.
[ Manufacturer ]Main business are Large, middle power transmitting tube, High frequency heating oscillating tube.
[ Manufacturer ]Main business are Low frequency high power triode, Television set tube, Switch tube, Compound tube.
[ Manufacturer ]Main business are Switch tube, Trigger tube, Voltage-regulator tube, Silicon chip, Rectifying tube, Facing diode, Surge protective tube
[ Manufacturer Trader ]Main business are Electronic product.
[ Manufacturer ]Main business are Vacuum contactor, Vacuum switch tube
[ Trader ]Main business are Stepping motor driver, Electrical source, Sine wave inverter, Switch electrical source module
[ Manufacturer Trader ]Main business are Communication, Computers, Electronics components and devices, Electrical devices, Home appliances and audio-video products.
[ Manufacturer ]Main business are Vacuum switch, Switch tube, Electric control cabinet.