... 30 years prosuce 2,cast iron UMZ water pump russian tractor pump UMZ pump ISO9001-20001.factory professional more tha 30 years ... UMZ, MAZ, KAMAZ, etc. He bei Long Sheng Teng Yu pump industry limited 1.Mainly produces tractors ,internal combustion engines ,cooling ... water pump,and foreign various type of accessories . 2.My company ...