... , high quality, low cost 3. Short lead time. Iron motor bushes for electric fans and other motors, can replace ... , electronic balance, all gauges, and calipers. Our quality system already passed ISO9001 approval, which ensure our quality consistence. ... Powder metallurgy, low noise, and low costMaterials: iron, copper and bronze, Iron+Bronze optional, can be spherical or cylindricalHigh precision, ...