杭州柳田金属材料有限公司主要经营优特钢，40CRNIMO,20CRNIMO,SAE8620H,15-42CRMO,10-60#,38CRMOAL,16MNCR5，5CRNIMO,5CRMNMO,20MNCR5，GCR15，GCR15SIMN,100CR6，20CRMNMO,40CRMNMO....