1.Investment Casting of Steel Bent Axle / Crankshaft 2.ISO 9001 3.Material: Steel 4.Standard:AISI, ... ASTM, DIN, GB, BS, JIS,NF Investment Casting of Steel Bent Axle / Crankshaft 1.Quality system certificate: ISO 90002. Standard: AISI, ASTM ... , etc. 12. Your tech drawings , specifications and samples are welcome for customized. Investment Casting of Steel Bent Axle / Crankshaft