规格：最大直径2.8米，最大长度28米

主要客户： GE-Energy,Siemens,Alstom,Hitachi,SMS-Siemag,Danieli,Vestas,Andritz,Howden,TDPS,Sandvik,Thyssenkrupp,U.S.Pipe,PAM,Suzlon,ABB,Dresser-Rand,Electrotherm,etc.