Yu Teng

Solar energy sprays overlapping cooling cycle system

Practical expander head

Can dismantle interchangeable core's filter housing

Gas fractionation with backheat function

Take two heat source heat pump system of vortex tube

Take conical screen of non return function

Interior toper air filter element

Many evaporating temperature steam -jet ejector formula refrigerating system of solar drive

Solar energy vortex refrigerating system

Solar energy doublestage ejector refrigeration system