sheaves and pulley iron,steel,Alum,alloy pulleyAK,2AK,AKH,BK,2BK,BKH,V-Belts,Gripbelt sheaves,3V.veariable pitch sheaves,Europe type sheavesiron,steel ... an ISO9002 certified Enterprise, specialized in manufacturing various specifications of sheaves. Zinc-plated Shaft Collars, Single and Double Split Collars, Stainless ... playing an active role in promotion of foreign trade exchange. sheaves