... been identified by ISO9001 and ISO14001.Metal Cross-flow blowerWe can supply cross-flow blower from Ø30,Ø45,Ø60mm to Ø65mm. Bearing ... Ball bearing can be choosed. Product Features: 1. Large air flow, low noise; Designs various types of speed& pressure as requested ... on our production.Note: Please note clearly the type, speed, volume, pressure, diameter, length, material when you want to make an ...