Desc:Product DescriptionDry screw vacuum pump, is the use of a pair of screw, made in the pump shell synchronous high-speed reverse rotation of the effects...
Desc:UV laser marking machineProduct Show:With small UV focus spot and heat affected zone, UV laser marking machine has high absorptivity to 355nm UV-light...
Desc:What is the principle of reverse osmosis device?The principle of reverse osmosis devices is to purify water by physically and chemically filtering out...
Desc:What is the principle of reverse osmosis device?The principle of reverse osmosis devices is to purify water by physically and chemically filtering out...
Desc:What is the principle of reverse osmosis device?The principle of reverse osmosis devices is to purify water by physically and chemically filtering out...