... you supply us the drawing and the material you want to, then our engineer can design the crusher parts for you ... impact crusher spare parts:1. Long life wear components due to advanced metallurgy. 2. Mn13,Mn13Cr2,Mn18Cr2. 3. Strict casting procedure and ... after sales service and lumen maintenanceAny other question you want to know, please call us, also we are producing the main ...