... :stainless steel standard:ASTM.DIN.JJIS.BS ect stainless steel robot accessories investment casting:1.Quality standard: ISO9001:20002.Technique: silica sol technique3.Material: stainless steel,carbon steel ... ; Precise finishing; Argon arc welding; Sand blasting; Clearing and finishing; Heat treatment; Correction and inspectionMaterialSS:303,304,304L,316,316L,CF8,CF3 ...