... are a professional manufacturer of concrete pump parts in China, specialized in producing concrete pump delivery pipe, rubber hose, elbow, bend, reducer, coupling, cleaning ball, piston, cylinder ... clients' requirement Length: 6m,3m,2m,1m,0.5m Flange type: SK ZX F/M Flange size: 148mm, 166mm Color: Red ... Order Quantity: 50pcs FOB Price (USD): 1-45/pc Payment Type: T/T,L/C,Western Union