常规型号产品备有大量现货,材质有20#,16Mn,12Cr1MoV,15CrMo,10CrMo910,1Cr5MO,WB36,A335P91等。网址: www.hbhxffbw.com www.hbhxgg.com www.hejingj.com www.haoxianggg.com www.jgss322.com.cn