CWDM cartridge module is a TFF(thin film filter) based wavelength division multiplexing technology, which has a variety of wavelengths and optional link structure.
A hydraulic solenoid consists of a hydraulic coil, plunger and sleeve assembly, it is for opening, closing or changing the direction of flow of the liquid in a hydraulic system, it is a most commonly used electro-mechanism converter.
It integrates the function of sweeping truck and high-pressure cleaning vehicle to complete cleaning, high-pressure cleaning and garbage and sewage collection in one operation.