Yu Wenying

Purifier based on particulate matter among high voltage electrostatic field absorption and filtered air

Centralized purification tank for fresh air system

Easy disassembly type split oxygen generator

Purifying device based on high-voltage electrostatic field for adsorbing and filtering particles in air

Control system of high direct voltage output voltage stabilization and constant current source

High voltage DC output steady voltage and constant current power supply's control system

Silencer capable of limiting flow

Oxygen concentration control system in diffusion oxygen chamber

Multifunctional inspiration muffler for oxygenerator

Pipeline-type negative ion purification treatment box