1,OEM available 2,On Time Delivery 3,Always quote our best price 4,More than 50 years experience Material: Carbon steel, alloy steel. Carbon manganese steel. we can produce by your required materialsDiameter:Max 2500mmWeight:Max 60tonsDelivery time:45 days after advanced paymentDrawingAccording to customers’ requirementsOEM:yesApplication:normally used for wind power generation, stream turbine, ...