Profile: AOV International is involved in the manufacture and export of industrial products. We are an ISO 9001:2000 certified company. Our products include hand pumps, treadle pumps, cold chain equipment, emergency relief items, hand tools, garden tools, builder hardware, and chalk board drawing sets. Deep well hand pumps are provided with 50 mm dia open top, u-PVC brass lined cylinder assembly with extractable plunger, and foot valves assemblies.