菠菜app有哪些

Resistance fire fire-resistant Wire

Implementation standards:Product implementation GB / T 5023 "rated voltage 450 / 750V and below PVC insulated cables", JB / T 8734 "rated voltage 450 / 750V and below PVC insulated cables wires and cords" and GB / T 1966…Detail

Fire-resistant Wire

Product Usage:This product is suitable for low-voltage power supply system in publicfire, fire safety requirements of very high places, especially in somehigh-rise buildings, oil platforms, mines, metallurgy, ships, power stations,subways, …Detail