HENAN ZHONGYUAN HEAVY FORGING CO.,LTD
Henan zhongyuan Heavy Forging Co.,Ltd(HHF) is specialized in Research,Production,Sales and Services for MINING EQUIPMENT and Large Precision Forgings.HHF is the first factory in China that researched,developed,and batch-produced HIGH STRENGTH SAE 4330VMOD RASIE BORING DRILLRODS. The products like RAISE BORE DRILL RODS,RIB STABILIERS,DRILL STEMS,drillstabilizer,drill collar,non-magnetic drill stabilizer,non-magnetic drill collar,roller reamer,pump block and marine shaft,crusher shaft,gear shaft,pipe mould are widely welcomedby more than twenty countries and regions:United States,Canada,United Kingdom,France,Italy,Australia,Russia,Middle East,South Africa,Brazil and Singapore etc.