... /investment casting 1.ISO 9001 2.Strict QC 3.Standard:ASTM,AISI,BS,DIN,JIS,NF 4.OEM service Xinhong Casting ... drawing,to meet different national standrads such as GB/DIN/ASTM/JIS/BS ,ect .Production Process:we have the following four ... : precision casting; investment casting; water glass; lost wax 2 Standards: ASTM, AISI, BS, DIN, JIS, NF 3 weight range : 0.1KG ...