1; e-mail ;admin(at)weilindct.com    skype;wangnadaimin
2we speciliazed in forged steel crankshaft has 6 years ,t 

,crankshaft crankshaft the material of our product is 42CrMO,,
The crankshaft hardness is 52 to 58,our products have long service 

life 
4 so it has high quality ,good hradness,good toughness , and our 

product will quenching 
5 in terms of quality, so you absolutely assured,,The technology of 

our products are very stable, Because of good quality, so our 

products have long service life please check that.