... cablesConductor: steel/tinned copper Insulation material: there i ruler cable,water testing steel ruler cable,steel ruler Oil cables ruler cable ... submarine cable,subsea cable,S-meter cable,isotope handling cable ,Water level gauge cable,Steel tape for cable ,Ribbon cable, ... , the measurement cable.With the scope of: measuring the water level of the steel ruler with flat cableYangzhou LongXin Spiral ...