本公司可為客戶訂做外徑4-159MM壁厚為0。5-45MM外徑203-1800MM*25-95MM等各種合金管材質;GCr15-15CrMo-20Cr-40Cr-12CrMoV-20CrMo-35CrMo-42CrMo-45CrMo-27SiMn