DC 120 * 120 * 38mm siab CFM cua txias ntxuam rau rooj ntxuam Hekang 12V Ntxuam Hydraulic Bearing ntxuam siab CFM 2100RPM 92 * 92 * 25mm ntxuam dc 9225 cua txias ntxuam rau Cov Khoom Siv Tsheb