... standard package 15--35 days after order signed casting block connector Various Size Dalian Sun investment Co.,Ltd is a ... stainless steel, alloy steel , heat resisting steel and carbon steel 3.Finishes:Anodizing, Electroplating, Polishing, Powder Coating, Blacken, Hardening, ... steel, alloy steel, heat resisting steel and carbon steel 3. Good surface,Tight tolerance,Fast delivery4. Standard:GB,AISI, ...