The widely used sewage treatment processes currently include oxidation ditch process and SBR process, among which oxidation ditch process is the most common. With the increasing demand for aeration equipment in the oxidation ditch treatment process and the increasing shortage of energy

Gear transmission has a wide range of applications in various machinery. It has many advantages compared to belt drive, chain drive, worm gear and worm gear drive, etc. For example: wide speed range of transmission, transmitted power

Dampness is a fatal factor leading to motor failure, as splashing rainwater or moisture generated by condensation can invade the motor. Especially when the motor is in intermittent operation and has been parked for several months, the coil insulation should be checked before use, otherwise it is very likely to be damaged