We EPG group one of the Biggest Chain and sprocket manufacturer in China. We provide you most type of industry chains, agricultural chains, conveyor chains and related sprockets etc……..

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This Additionally, all our production procedures are in compliance with ISO9002 standards for a specialized supplier of a full range of chain & sprockets, sprockets, gears, gear racks, V-belts, couplings and reducers， pto shaft, agricultural gearboxes….assistance needed.2BK30 Pulley 3/4″ bore is directly interchangeable with other manufacturers v-belt pulleys, it is 3.15″ in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. double BK pulleys work with belt types A, 4L, B, 5L, AX, BX, AA, BB, double banded A, double banded B, and double banded BX cogged