... 0.5mbar5.Material for main parts:a) Rotor: nodular C.I.b) Vane: Teflonc) Shaft extension sealing: imported shaft seald) ... have been better received all the way.Our products can be applied in a host of fields and industries, such as ... industry, power sector, sewage treatment circle, aquaculture, pneumatic transmission, powder process, packaging, paper making and processing industry, etc.Our company ...