... standard package 15--35 days after order signed casting block connector Various Size Dalian Sun investment Co.,Ltd is a professional ... parts, stamping parts, casting and forging parts,welding parts and assembly service.2.Various Machining Materials:stainless steel, alloy steel , ... resisting steel and carbon steel 3. Good surface,Tight tolerance,Fast delivery4. Standard:GB,AISI, BS,DIN,ASTM5. Weight:5g ...