SANJIAOGANGGUANNAJIAHAO ？WUXIXINDIYIXINGGUANCHANG，SHENGCHANSANJIAOGANGGUAN，CHANGBEIXIANHUO,ZHIYOUJIALIAN,CHANGJIAZHIXIAO GUIGEQIQUAN PINZHIBAOZHANG HUANYINGDINGGOU，ZHONGLEIQIQUANKEDINGZUO42crmoSANJIAOGANGGUAN。
BENGONGSISHENGCHAN，WUFENGGANGGUAN JINGMIGUAN 20#GB/8162JIEGOUGUAN GB/8163LIUTIGUAN GB/3087DIYAGUOLUGUAN GB/5310GAOYA GUOLUGUAN 45# GB/8162JIEGOUGUAN GB/8163LIUTIGUAN GB/3087 GUOLUGUAN GB/5310GAOYAGUOLUGUAN 16Mn WUFENGGANGGUAN 27SiMn YEYAZHIZHU WUFENGGANGGUANG20 SHIYOUTAOGUAN 35CrMo 40Cr HEJINGUAN，JIAGONGYIXINGGUANFANGJUGUAN!
| 
