... been identified by ISO9001 and ISO14001.Metal Cross-flow wheeel We can supply cross-flow wheel from Ø30,Ø43,Ø45,Ø52,Ø60,Ø65 ... ,CCWwithin 0.8mmNylon bearing, Lubricating bearing and Ball bearing can be choosedGLY81X145Ø81mm145mm30Aluminum AlloyCW,CCWwithin 0.8mmGLY81X200Ø81mm200mm30Aluminum AlloyCW,CCWwithin ... will reply your email or fax within 12 hours.You can contact us at any time if there is any ...